14779881994 has 32 divisors (see below), whose sum is σ = 23794560000. Its totient is φ = 6863822784.

The previous prime is 14779881989. The next prime is 14779882003. The reversal of 14779881994 is 49918897741.

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, 5132247 + ... + 5135125.

It is an arithmetic number, because the mean of its divisors is an integer number (743580000).

Almost surely, 2^14779881994 is an apocalyptic number.

14779881994 is a deficient number, since it is larger than the sum of its proper divisors (9014678006).

14779881994 is a wasteful number, since it uses less digits than its factorization.

14779881994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502.

The product of its digits is 36578304, while the sum is 67.

The spelling of 14779881994 in words is "fourteen billion, seven hundred seventy-nine million, eight hundred eighty-one thousand, nine hundred ninety-four".