679560573169 has 2 divisors, whose sum is σ = 679560573170. Its totient is φ = 679560573168.

The previous prime is 679560573091. The next prime is 679560573233. The reversal of 679560573169 is 961375065976.

It is an a-pointer prime, because the next prime (679560573233) can be obtained adding 679560573169 to its sum of digits (64).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 679536435600 + 24137569 = 824340^2 + 4913^2 .

It is a cyclic number.

It is not a de Polignac number, because 679560573169 - 2²³ = 679552184561 is a prime.

It is a super-2 number, since 2×679560573169² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 679560573169.

It is not a weakly prime, because it can be changed into another prime (679560573869) 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, 339780286584 + 339780286585.

It is an arithmetic number, because the mean of its divisors is an integer number (339780286585).

Almost surely, 2^679560573169 is an apocalyptic number.

It is an amenable number.

679560573169 is a deficient number, since it is larger than the sum of its proper divisors (1).

679560573169 is an equidigital number, since it uses as much as digits as its factorization.

679560573169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64297800, while the sum is 64.

The spelling of 679560573169 in words is "six hundred seventy-nine billion, five hundred sixty million, five hundred seventy-three thousand, one hundred sixty-nine".