349655868556943 has 64 divisors (see below), whose sum is σ = 405288735473664. Its totient is φ = 299336446080000.

The previous prime is 349655868556933. The next prime is 349655868556961.

349655868556943 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 349655868556943 - 2⁴⁰ = 348556356929167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (349655868556933) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 211115630 + ... + 212765412.

It is an arithmetic number, because the mean of its divisors is an integer number (6332636491776).

Almost surely, 2^{349655868556943} is an apocalyptic number.

349655868556943 is a deficient number, since it is larger than the sum of its proper divisors (55632866916721).

349655868556943 is a wasteful number, since it uses less digits than its factorization.

349655868556943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650096.

The product of its digits is 100776960000, while the sum is 86.

The spelling of 349655868556943 in words is "three hundred forty-nine trillion, six hundred fifty-five billion, eight hundred sixty-eight million, five hundred fifty-six thousand, nine hundred forty-three".