344668537340779 has 2 divisors, whose sum is σ = 344668537340780. Its totient is φ = 344668537340778.

The previous prime is 344668537340761. The next prime is 344668537340807. The reversal of 344668537340779 is 977043735866443.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 344668537340779 - 2⁷ = 344668537340651 is a prime.

It is not a weakly prime, because it can be changed into another prime (344668537340579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172334268670389 + 172334268670390.

It is an arithmetic number, because the mean of its divisors is an integer number (172334268670390).

Almost surely, 2^{344668537340779} is an apocalyptic number.

344668537340779 is a deficient number, since it is larger than the sum of its proper divisors (1).

344668537340779 is an equidigital number, since it uses as much as digits as its factorization.

344668537340779 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7681443840, while the sum is 76.

The spelling of 344668537340779 in words is "three hundred forty-four trillion, six hundred sixty-eight billion, five hundred thirty-seven million, three hundred forty thousand, seven hundred seventy-nine".