631006432453 has 2 divisors, whose sum is σ = 631006432454. Its totient is φ = 631006432452.

The previous prime is 631006432423. The next prime is 631006432489. The reversal of 631006432453 is 354234600136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 456998984289 + 174007448164 = 676017^2 + 417142^2 .

It is a cyclic number.

It is not a de Polignac number, because 631006432453 - 2⁵ = 631006432421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (631006432423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315503216226 + 315503216227.

It is an arithmetic number, because the mean of its divisors is an integer number (315503216227).

Almost surely, 2^631006432453 is an apocalyptic number.

It is an amenable number.

631006432453 is a deficient number, since it is larger than the sum of its proper divisors (1).

631006432453 is an equidigital number, since it uses as much as digits as its factorization.

631006432453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 37.

The spelling of 631006432453 in words is "six hundred thirty-one billion, six million, four hundred thirty-two thousand, four hundred fifty-three".