39397616622225 has 36 divisors (see below), whose sum is σ = 72066902708736. Its totient is φ = 20564997039840.

The previous prime is 39397616622179. The next prime is 39397616622233. The reversal of 39397616622225 is 52222661679393.

It is a happy number.

39397616622225 is a `hidden beast` number, since 3 + 9 + 3 + 9 + 7 + 616 + 6 + 2 + 2 + 2 + 2 + 5 = 666.

It is not a de Polignac number, because 39397616622225 - 2⁸ = 39397616621969 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1862760897 + ... + 1862782046.

It is an arithmetic number, because the mean of its divisors is an integer number (2001858408576).

Almost surely, 2^{39397616622225} is an apocalyptic number.

It is an amenable number.

39397616622225 is a deficient number, since it is larger than the sum of its proper divisors (32669286086511).

39397616622225 is a wasteful number, since it uses less digits than its factorization.

39397616622225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3725543006 (or 3725542998 counting only the distinct ones).

The product of its digits is 88179840, while the sum is 63.

The spelling of 39397616622225 in words is "thirty-nine trillion, three hundred ninety-seven billion, six hundred sixteen million, six hundred twenty-two thousand, two hundred twenty-five".