4364645625 has 30 divisors (see below), whose sum is σ = 7878098514. Its totient is φ = 2327808000.

The previous prime is 4364645617. The next prime is 4364645627. The reversal of 4364645625 is 5265464634.

It is a happy number.

4364645625 is a `hidden beast` number, since 43 + 6 + 46 + 4 + 562 + 5 = 666.

It can be written as a sum of positive squares in 5 ways, for example, as 3225785616 + 1138860009 = 56796^2 + 33747^2 .

It is not a de Polignac number, because 4364645625 - 2³ = 4364645617 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (4364645627) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 382344 + ... + 393593.

Almost surely, 2^4364645625 is an apocalyptic number.

4364645625 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4364645625 is a deficient number, since it is larger than the sum of its proper divisors (3513452889).

4364645625 is an equidigital number, since it uses as much as digits as its factorization.

4364645625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 775963 (or 775945 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

The square root of 4364645625 is about 66065.4646922278. The cubic root of 4364645625 is about 1634.2418559515.

The spelling of 4364645625 in words is "four billion, three hundred sixty-four million, six hundred forty-five thousand, six hundred twenty-five".