631459810707641 has 2 divisors, whose sum is σ = 631459810707642. Its totient is φ = 631459810707640.

The previous prime is 631459810707559. The next prime is 631459810707751. The reversal of 631459810707641 is 146707018954136.

631459810707641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 531685383356416 + 99774427351225 = 23058304^2 + 9988715^2 .

It is a cyclic number.

It is not a de Polignac number, because 631459810707641 - 2¹⁰ = 631459810706617 is a prime.

It is not a weakly prime, because it can be changed into another prime (631459815707641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315729905353820 + 315729905353821.

It is an arithmetic number, because the mean of its divisors is an integer number (315729905353821).

Almost surely, 2^{631459810707641} is an apocalyptic number.

It is an amenable number.

631459810707641 is a deficient number, since it is larger than the sum of its proper divisors (1).

631459810707641 is an equidigital number, since it uses as much as digits as its factorization.

631459810707641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30481920, while the sum is 62.

The spelling of 631459810707641 in words is "six hundred thirty-one trillion, four hundred fifty-nine billion, eight hundred ten million, seven hundred seven thousand, six hundred forty-one".