38556250625 has 10 divisors (see below), whose sum is σ = 48179891562. Its totient is φ = 30845000000.

The previous prime is 38556250571. The next prime is 38556250627. The reversal of 38556250625 is 52605265583.

It can be written as a sum of positive squares in 5 ways, for example, as 9896469361 + 28659781264 = 99481^2 + 169292^2 .

It is not a de Polignac number, because 38556250625 - 2⁶ = 38556250561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 38556250625.

It is not an unprimeable number, because it can be changed into a prime (38556250627) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 30844376 + ... + 30845625.

Almost surely, 2^38556250625 is an apocalyptic number.

It is an amenable number.

38556250625 is a deficient number, since it is larger than the sum of its proper divisors (9623640937).

38556250625 is an frugal number, since it uses more digits than its factorization.

38556250625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61690021 (or 61690006 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 38556250625 in words is "thirty-eight billion, five hundred fifty-six million, two hundred fifty thousand, six hundred twenty-five".