679756734023 has 2 divisors, whose sum is σ = 679756734024. Its totient is φ = 679756734022.

The previous prime is 679756733989. The next prime is 679756734031. The reversal of 679756734023 is 320437657976.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 679756734023 - 2⁶ = 679756733959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679756704023) 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 as a sum of consecutive naturals, namely, 339878367011 + 339878367012.

It is an arithmetic number, because the mean of its divisors is an integer number (339878367012).

Almost surely, 2^679756734023 is an apocalyptic number.

679756734023 is a deficient number, since it is larger than the sum of its proper divisors (1).

679756734023 is an equidigital number, since it uses as much as digits as its factorization.

679756734023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40007520, while the sum is 59.

The spelling of 679756734023 in words is "six hundred seventy-nine billion, seven hundred fifty-six million, seven hundred thirty-four thousand, twenty-three".