39294623652 has 12 divisors (see below), whose sum is σ = 91687455216. Its totient is φ = 13098207880.

The previous prime is 39294623597. The next prime is 39294623659. The reversal of 39294623652 is 25632649293.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 39294623595 and 39294623604.

It is not an unprimeable number, because it can be changed into a prime (39294623659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1637275974 + ... + 1637275997.

It is an arithmetic number, because the mean of its divisors is an integer number (7640621268).

Almost surely, 2^39294623652 is an apocalyptic number.

It is an amenable number.

39294623652 is an abundant number, since it is smaller than the sum of its proper divisors (52392831564).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39294623652 is a wasteful number, since it uses less digits than its factorization.

39294623652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3274551978 (or 3274551976 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 51.

The spelling of 39294623652 in words is "thirty-nine billion, two hundred ninety-four million, six hundred twenty-three thousand, six hundred fifty-two".