38905275925 has 6 divisors (see below), whose sum is σ = 48242542178. Its totient is φ = 31124220720.

The previous prime is 38905275923. The next prime is 38905275947. The reversal of 38905275925 is 52957250983.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 190384804 + 38714891121 = 13798^2 + 196761^2 .

It is not a de Polignac number, because 38905275925 - 2¹ = 38905275923 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 (38905275923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 778105494 + ... + 778105543.

Almost surely, 2^38905275925 is an apocalyptic number.

It is an amenable number.

38905275925 is a deficient number, since it is larger than the sum of its proper divisors (9337266253).

38905275925 is a wasteful number, since it uses less digits than its factorization.

38905275925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556211047 (or 1556211042 counting only the distinct ones).

The product of its (nonzero) digits is 6804000, while the sum is 55.

The spelling of 38905275925 in words is "thirty-eight billion, nine hundred five million, two hundred seventy-five thousand, nine hundred twenty-five".