38745631625 has 16 divisors (see below), whose sum is σ = 48360179088. Its totient is φ = 30992896000.

The previous prime is 38745631579. The next prime is 38745631633. The reversal of 38745631625 is 52613654783.

It can be written as a sum of positive squares in 8 ways, for example, as 3984639376 + 34760992249 = 63124^2 + 186443^2 .

It is not a de Polignac number, because 38745631625 - 2¹⁰ = 38745630601 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 1749119 + ... + 1771131.

It is an arithmetic number, because the mean of its divisors is an integer number (3022511193).

Almost surely, 2^38745631625 is an apocalyptic number.

It is an amenable number.

38745631625 is a deficient number, since it is larger than the sum of its proper divisors (9614547463).

38745631625 is a wasteful number, since it uses less digits than its factorization.

38745631625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36109 (or 36099 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 50.

The spelling of 38745631625 in words is "thirty-eight billion, seven hundred forty-five million, six hundred thirty-one thousand, six hundred twenty-five".