631595109053 has 2 divisors, whose sum is σ = 631595109054. Its totient is φ = 631595109052.

The previous prime is 631595109043. The next prime is 631595109127. The reversal of 631595109053 is 350901595136.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 462729178564 + 168865930489 = 680242^2 + 410933^2 .

It is a cyclic number.

It is not a de Polignac number, because 631595109053 - 2¹⁶ = 631595043517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 631595108989 and 631595109007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (631595109043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315797554526 + 315797554527.

It is an arithmetic number, because the mean of its divisors is an integer number (315797554527).

Almost surely, 2^631595109053 is an apocalyptic number.

It is an amenable number.

631595109053 is a deficient number, since it is larger than the sum of its proper divisors (1).

631595109053 is an equidigital number, since it uses as much as digits as its factorization.

631595109053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 546750, while the sum is 47.

The spelling of 631595109053 in words is "six hundred thirty-one billion, five hundred ninety-five million, one hundred nine thousand, fifty-three".