349698991995 has 96 divisors (see below), whose sum is σ = 672645242880. Its totient is φ = 167351650560.

The previous prime is 349698991951. The next prime is 349698992011. The reversal of 349698991995 is 599199896943.

It is a happy number.

349698991995 is a `hidden beast` number, since 349 + 6 + 9 + 89 + 9 + 199 + 5 = 666.

It is not a de Polignac number, because 349698991995 - 2⁸ = 349698991739 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1105377 + ... + 1386093.

It is an arithmetic number, because the mean of its divisors is an integer number (7006721280).

Almost surely, 2^349698991995 is an apocalyptic number.

349698991995 is a deficient number, since it is larger than the sum of its proper divisors (322946250885).

349698991995 is a wasteful number, since it uses less digits than its factorization.

349698991995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280825 (or 280822 counting only the distinct ones).

The product of its digits is 1530550080, while the sum is 81.

The spelling of 349698991995 in words is "three hundred forty-nine billion, six hundred ninety-eight million, nine hundred ninety-one thousand, nine hundred ninety-five".