4625244012645 has 12 divisors (see below), whose sum is σ = 8017089621996. Its totient is φ = 2466796806720.

The previous prime is 4625244012637. The next prime is 4625244012661. The reversal of 4625244012645 is 5462104425264.

4625244012645 is a `hidden beast` number, since 4 + 62 + 524 + 4 + 0 + 1 + 2 + 64 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2320573895649 + 2304670116996 = 1523343^2 + 1518114^2 .

It is not a de Polignac number, because 4625244012645 - 2³ = 4625244012637 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 102783200281 = 4625244012645 / (4 + 6 + 2 + 5 + 2 + 4 + 4 + 0 + 1 + 2 + 6 + 4 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 4625244012645.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51391600096 + ... + 51391600185.

It is an arithmetic number, because the mean of its divisors is an integer number (668090801833).

Almost surely, 2^{4625244012645} is an apocalyptic number.

4625244012645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4625244012645 is a deficient number, since it is larger than the sum of its proper divisors (3391845609351).

4625244012645 is a wasteful number, since it uses less digits than its factorization.

4625244012645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102783200292 (or 102783200289 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 45.

The spelling of 4625244012645 in words is "four trillion, six hundred twenty-five billion, two hundred forty-four million, twelve thousand, six hundred forty-five".