679962269951 has 2 divisors, whose sum is σ = 679962269952. Its totient is φ = 679962269950.

The previous prime is 679962269941. The next prime is 679962269981. The reversal of 679962269951 is 159962269976.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-679962269951 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (679962269941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339981134975 + 339981134976.

It is an arithmetic number, because the mean of its divisors is an integer number (339981134976).

Almost surely, 2^679962269951 is an apocalyptic number.

679962269951 is a deficient number, since it is larger than the sum of its proper divisors (1).

679962269951 is an equidigital number, since it uses as much as digits as its factorization.

679962269951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 198404640, while the sum is 71.

The spelling of 679962269951 in words is "six hundred seventy-nine billion, nine hundred sixty-two million, two hundred sixty-nine thousand, nine hundred fifty-one".