349136029942 has 64 divisors (see below), whose sum is σ = 638416995840. Its totient is φ = 139787721216.

The previous prime is 349136029909. The next prime is 349136029981. The reversal of 349136029942 is 249920631943.

It is a happy number.

It is a super-2 number, since 2×349136029942² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 349136029942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33318808 + ... + 33329284.

It is an arithmetic number, because the mean of its divisors is an integer number (9975265560).

Almost surely, 2^349136029942 is an apocalyptic number.

349136029942 is a deficient number, since it is larger than the sum of its proper divisors (289280965898).

349136029942 is a wasteful number, since it uses less digits than its factorization.

349136029942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11525.

The product of its (nonzero) digits is 2519424, while the sum is 52.

The spelling of 349136029942 in words is "three hundred forty-nine billion, one hundred thirty-six million, twenty-nine thousand, nine hundred forty-two".