349442793138 has 16 divisors (see below), whose sum is σ = 698897193696. Its totient is φ = 116478996480.

The previous prime is 349442793097. The next prime is 349442793223. The reversal of 349442793138 is 831397244943.

It is a super-2 number, since 2×349442793138² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64308 + ... + 838463.

It is an arithmetic number, because the mean of its divisors is an integer number (43681074606).

Almost surely, 2^349442793138 is an apocalyptic number.

349442793138 is an abundant number, since it is smaller than the sum of its proper divisors (349454400558).

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

349442793138 is a wasteful number, since it uses less digits than its factorization.

349442793138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967289.

The product of its digits is 15676416, while the sum is 57.

The spelling of 349442793138 in words is "three hundred forty-nine billion, four hundred forty-two million, seven hundred ninety-three thousand, one hundred thirty-eight".