3954979494994 has 32 divisors (see below), whose sum is σ = 6821623814400. Its totient is φ = 1700796482640.

The previous prime is 3954979494989. The next prime is 3954979495021. The reversal of 3954979494994 is 4994949794593.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6092772 + ... + 6710575.

It is an arithmetic number, because the mean of its divisors is an integer number (213175744200).

Almost surely, 2^{3954979494994} is an apocalyptic number.

3954979494994 is a deficient number, since it is larger than the sum of its proper divisors (2866644319406).

3954979494994 is a wasteful number, since it uses less digits than its factorization.

3954979494994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12804118.

The product of its digits is 14285134080, while the sum is 85.

The spelling of 3954979494994 in words is "three trillion, nine hundred fifty-four billion, nine hundred seventy-nine million, four hundred ninety-four thousand, nine hundred ninety-four".