4505625609785 has 8 divisors (see below), whose sum is σ = 5407612128456. Its totient is φ = 3603926223360.

The previous prime is 4505625609769. The next prime is 4505625609787. The reversal of 4505625609785 is 5879065265054.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1713962745856 + 2791662863929 = 1309184^2 + 1670827^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4505625609785 - 2⁴ = 4505625609769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4505625609787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71748536 + ... + 71811305.

It is an arithmetic number, because the mean of its divisors is an integer number (675951516057).

Almost surely, 2^{4505625609785} is an apocalyptic number.

It is an amenable number.

4505625609785 is a deficient number, since it is larger than the sum of its proper divisors (901986518671).

4505625609785 is a wasteful number, since it uses less digits than its factorization.

4505625609785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143566123.

The product of its (nonzero) digits is 90720000, while the sum is 62.

The spelling of 4505625609785 in words is "four trillion, five hundred five billion, six hundred twenty-five million, six hundred nine thousand, seven hundred eighty-five".