344668537340879 has 2 divisors, whose sum is σ = 344668537340880. Its totient is φ = 344668537340878.

The previous prime is 344668537340867. The next prime is 344668537340983. The reversal of 344668537340879 is 978043735866443.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344668537340879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344668537340839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172334268670439 + 172334268670440.

It is an arithmetic number, because the mean of its divisors is an integer number (172334268670440).

Almost surely, 2^{344668537340879} is an apocalyptic number.

344668537340879 is a deficient number, since it is larger than the sum of its proper divisors (1).

344668537340879 is an equidigital number, since it uses as much as digits as its factorization.

344668537340879 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8778792960, while the sum is 77.

The spelling of 344668537340879 in words is "three hundred forty-four trillion, six hundred sixty-eight billion, five hundred thirty-seven million, three hundred forty thousand, eight hundred seventy-nine".