341857905813 has 20 divisors (see below), whose sum is σ = 510696465708. Its totient is φ = 227896416000.

The previous prime is 341857905721. The next prime is 341857905839. The reversal of 341857905813 is 318509758143.

341857905813 is a `hidden beast` number, since 3 + 4 + 1 + 8 + 57 + 9 + 0 + 581 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 324014823729 + 17843082084 = 569223^2 + 133578^2 .

It is not a de Polignac number, because 341857905813 - 2²⁵ = 341824351381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 341857905813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (341857905013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2523813 + ... + 2655813.

Almost surely, 2^341857905813 is an apocalyptic number.

It is an amenable number.

341857905813 is a deficient number, since it is larger than the sum of its proper divisors (168838559895).

341857905813 is a wasteful number, since it uses less digits than its factorization.

341857905813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163986 (or 163977 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 54.

The spelling of 341857905813 in words is "three hundred forty-one billion, eight hundred fifty-seven million, nine hundred five thousand, eight hundred thirteen".