340868915643199 has 4 divisors (see below), whose sum is σ = 340991134690680. Its totient is φ = 340746696595720.

The previous prime is 340868915643167. The next prime is 340868915643229. The reversal of 340868915643199 is 991346519868043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340868915643199 - 2⁵ = 340868915643167 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 (340868915643899) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61109519557 + ... + 61109525134.

It is an arithmetic number, because the mean of its divisors is an integer number (85247783672670).

Almost surely, 2^{340868915643199} is an apocalyptic number.

340868915643199 is a deficient number, since it is larger than the sum of its proper divisors (122219047481).

340868915643199 is a wasteful number, since it uses less digits than its factorization.

340868915643199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122219047480.

The product of its (nonzero) digits is 1209323520, while the sum is 76.

The spelling of 340868915643199 in words is "three hundred forty trillion, eight hundred sixty-eight billion, nine hundred fifteen million, six hundred forty-three thousand, one hundred ninety-nine".