679862633 has 2 divisors, whose sum is σ = 679862634. Its totient is φ = 679862632.

The previous prime is 679862591. The next prime is 679862653. The reversal of 679862633 is 336268976.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 592776409 + 87086224 = 24347^2 + 9332^2 .

It is a cyclic number.

It is not a de Polignac number, because 679862633 - 2⁶ = 679862569 is a prime.

It is not a weakly prime, because it can be changed into another prime (679862653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 339931316 + 339931317.

It is an arithmetic number, because the mean of its divisors is an integer number (339931317).

Almost surely, 2^679862633 is an apocalyptic number.

It is an amenable number.

679862633 is a deficient number, since it is larger than the sum of its proper divisors (1).

679862633 is an equidigital number, since it uses as much as digits as its factorization.

679862633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1959552, while the sum is 50.

The square root of 679862633 is about 26074.1755957883. The cubic root of 679862633 is about 879.3067167869.

The spelling of 679862633 in words is "six hundred seventy-nine million, eight hundred sixty-two thousand, six hundred thirty-three".