38709900525 has 12 divisors (see below), whose sum is σ = 64000368992. Its totient is φ = 20645280240.

The previous prime is 38709900521. The next prime is 38709900547. The reversal of 38709900525 is 52500990783.

It is a happy number.

It is not a de Polignac number, because 38709900525 - 2² = 38709900521 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38709900521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 258065929 + ... + 258066078.

Almost surely, 2^38709900525 is an apocalyptic number.

It is an amenable number.

38709900525 is a deficient number, since it is larger than the sum of its proper divisors (25290468467).

38709900525 is a wasteful number, since it uses less digits than its factorization.

38709900525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516132020 (or 516132015 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 48.

The spelling of 38709900525 in words is "thirty-eight billion, seven hundred nine million, nine hundred thousand, five hundred twenty-five".