39475518025 has 12 divisors (see below), whose sum is σ = 49407118992. Its totient is φ = 31285268240.

The previous prime is 39475518007. The next prime is 39475518073. The reversal of 39475518025 is 52081557493.

It is not a de Polignac number, because 39475518025 - 2¹⁷ = 39475386953 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 39475518025.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7375927 + ... + 7381276.

It is an arithmetic number, because the mean of its divisors is an integer number (4117259916).

Almost surely, 2^39475518025 is an apocalyptic number.

It is an amenable number.

39475518025 is a deficient number, since it is larger than the sum of its proper divisors (9931600967).

39475518025 is a wasteful number, since it uses less digits than its factorization.

39475518025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14757320 (or 14757315 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 49.

The spelling of 39475518025 in words is "thirty-nine billion, four hundred seventy-five million, five hundred eighteen thousand, twenty-five".