30952974979 has 8 divisors (see below), whose sum is σ = 31061422080. Its totient is φ = 30844639176.

The previous prime is 30952974973. The next prime is 30952974989. The reversal of 30952974979 is 97947925903.

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 30952974979 - 2³ = 30952974971 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 30952974979.

It is not an unprimeable number, because it can be changed into a prime (30952974971) 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, 550242 + ... + 603880.

It is an arithmetic number, because the mean of its divisors is an integer number (3882677760).

Almost surely, 2^30952974979 is an apocalyptic number.

30952974979 is a deficient number, since it is larger than the sum of its proper divisors (108447101).

30952974979 is a wasteful number, since it uses less digits than its factorization.

30952974979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55649.

The product of its (nonzero) digits is 38578680, while the sum is 64.

The spelling of 30952974979 in words is "thirty billion, nine hundred fifty-two million, nine hundred seventy-four thousand, nine hundred seventy-nine".