39316252121 has 8 divisors (see below), whose sum is σ = 41699901600. Its totient is φ = 36940483648.

The previous prime is 39316252109. The next prime is 39316252153. The reversal of 39316252121 is 12125261393.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39316252121 - 2²² = 39312057817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39306252121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1959971 + ... + 1979928.

It is an arithmetic number, because the mean of its divisors is an integer number (5212487700).

Almost surely, 2^39316252121 is an apocalyptic number.

It is an amenable number.

39316252121 is a deficient number, since it is larger than the sum of its proper divisors (2383649479).

39316252121 is a wasteful number, since it uses less digits than its factorization.

39316252121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3940503.

The product of its digits is 19440, while the sum is 35.

The spelling of 39316252121 in words is "thirty-nine billion, three hundred sixteen million, two hundred fifty-two thousand, one hundred twenty-one".