349879847139912 has 64 divisors (see below), whose sum is σ = 880402224081600. Its totient is φ = 115866489772800.

The previous prime is 349879847139883. The next prime is 349879847139917. The reversal of 349879847139912 is 219931748978943.

It is not an unprimeable number, because it can be changed into a prime (349879847139917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18359287 + ... + 32199737.

It is an arithmetic number, because the mean of its divisors is an integer number (13756284751275).

Almost surely, 2^{349879847139912} is an apocalyptic number.

It is an amenable number.

349879847139912 is an abundant number, since it is smaller than the sum of its proper divisors (530522376941688).

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

349879847139912 is a wasteful number, since it uses less digits than its factorization.

349879847139912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13847326 (or 13847322 counting only the distinct ones).

The product of its digits is 5925685248, while the sum is 84.

The spelling of 349879847139912 in words is "three hundred forty-nine trillion, eight hundred seventy-nine billion, eight hundred forty-seven million, one hundred thirty-nine thousand, nine hundred twelve".