349491635369328 has 80 divisors (see below), whose sum is σ = 917449660463616. Its totient is φ = 114620560669440.

The previous prime is 349491635369309. The next prime is 349491635369483. The reversal of 349491635369328 is 823963536194943.

It is a self number, because there is not a number n which added to its sum of digits gives 349491635369328.

It is a congruent number.

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, 103628151 + ... + 106947542.

Almost surely, 2^{349491635369328} is an apocalyptic number.

It is an amenable number.

349491635369328 is an abundant number, since it is smaller than the sum of its proper divisors (567958025094288).

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

349491635369328 is a wasteful number, since it uses less digits than its factorization.

349491635369328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210576262 (or 210576256 counting only the distinct ones).

The product of its digits is 2720977920, while the sum is 75.

The spelling of 349491635369328 in words is "three hundred forty-nine trillion, four hundred ninety-one billion, six hundred thirty-five million, three hundred sixty-nine thousand, three hundred twenty-eight".