349341978564 has 36 divisors (see below), whose sum is σ = 883543454976. Its totient is φ = 116383427568.

The previous prime is 349341978563. The next prime is 349341978577. The reversal of 349341978564 is 465879143943.

349341978564 is a `hidden beast` number, since 3 + 4 + 93 + 419 + 78 + 5 + 64 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (349341978563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2595904 + ... + 2727159.

Almost surely, 2^349341978564 is an apocalyptic number.

It is an amenable number.

349341978564 is an abundant number, since it is smaller than the sum of its proper divisors (534201476412).

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

349341978564 is a wasteful number, since it uses less digits than its factorization.

349341978564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5324896 (or 5324891 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 63.

The spelling of 349341978564 in words is "three hundred forty-nine billion, three hundred forty-one million, nine hundred seventy-eight thousand, five hundred sixty-four".