679654036337 has 2 divisors, whose sum is σ = 679654036338. Its totient is φ = 679654036336.

The previous prime is 679654036261. The next prime is 679654036403. The reversal of 679654036337 is 733630456976.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 679562814736 + 91221601 = 824356^2 + 9551^2 .

It is a cyclic number.

It is not a de Polignac number, because 679654036337 - 2¹⁴ = 679654019953 is a prime.

It is a super-2 number, since 2×679654036337² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (679654036837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339827018168 + 339827018169.

It is an arithmetic number, because the mean of its divisors is an integer number (339827018169).

Almost surely, 2^679654036337 is an apocalyptic number.

It is an amenable number.

679654036337 is a deficient number, since it is larger than the sum of its proper divisors (1).

679654036337 is an equidigital number, since it uses as much as digits as its factorization.

679654036337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51438240, while the sum is 59.

The spelling of 679654036337 in words is "six hundred seventy-nine billion, six hundred fifty-four million, thirty-six thousand, three hundred thirty-seven".