349879414664 has 16 divisors (see below), whose sum is σ = 706487279820. Its totient is φ = 161482806720.

The previous prime is 349879414631. The next prime is 349879414699. The reversal of 349879414664 is 466414978943.

It can be written as a sum of positive squares in 2 ways, for example, as 349221902500 + 657512164 = 590950^2 + 25642^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 349879414664.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1682112467 + ... + 1682112674.

Almost surely, 2^349879414664 is an apocalyptic number.

It is an amenable number.

349879414664 is an abundant number, since it is smaller than the sum of its proper divisors (356607865156).

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

349879414664 is a wasteful number, since it uses less digits than its factorization.

349879414664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364225160 (or 3364225156 counting only the distinct ones).

The product of its digits is 125411328, while the sum is 65.

The spelling of 349879414664 in words is "three hundred forty-nine billion, eight hundred seventy-nine million, four hundred fourteen thousand, six hundred sixty-four".