349494634816 has 28 divisors (see below), whose sum is σ = 730029914080. Its totient is φ = 165550089600.

The previous prime is 349494634807. The next prime is 349494634859. The reversal of 349494634816 is 618436494943.

It is a congruent number.

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, 143705460 + ... + 143707891.

Almost surely, 2^349494634816 is an apocalyptic number.

It is an amenable number.

349494634816 is an abundant number, since it is smaller than the sum of its proper divisors (380535279264).

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

349494634816 is a wasteful number, since it uses less digits than its factorization.

349494634816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287413382 (or 287413372 counting only the distinct ones).

The product of its digits is 53747712, while the sum is 61.

The spelling of 349494634816 in words is "three hundred forty-nine billion, four hundred ninety-four million, six hundred thirty-four thousand, eight hundred sixteen".