631006065807079 has 2 divisors, whose sum is σ = 631006065807080. Its totient is φ = 631006065807078.

The previous prime is 631006065806951. The next prime is 631006065807121. The reversal of 631006065807079 is 970708560600136.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 631006065807079 - 2⁷ = 631006065806951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (631006065807179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315503032903539 + 315503032903540.

It is an arithmetic number, because the mean of its divisors is an integer number (315503032903540).

Almost surely, 2^{631006065807079} is an apocalyptic number.

631006065807079 is a deficient number, since it is larger than the sum of its proper divisors (1).

631006065807079 is an equidigital number, since it uses as much as digits as its factorization.

631006065807079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11430720, while the sum is 58.

The spelling of 631006065807079 in words is "six hundred thirty-one trillion, six billion, sixty-five million, eight hundred seven thousand, seventy-nine".