8625379453631 has 2 divisors, whose sum is σ = 8625379453632. Its totient is φ = 8625379453630.

The previous prime is 8625379453601. The next prime is 8625379453651. The reversal of 8625379453631 is 1363549735268.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8625379453631 - 2¹⁰ = 8625379452607 is a prime.

It is a super-2 number, since 2×8625379453631² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8625379453601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4312689726815 + 4312689726816.

It is an arithmetic number, because the mean of its divisors is an integer number (4312689726816).

Almost surely, 2^{8625379453631} is an apocalyptic number.

8625379453631 is a deficient number, since it is larger than the sum of its proper divisors (1).

8625379453631 is an equidigital number, since it uses as much as digits as its factorization.

8625379453631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 97977600, while the sum is 62.

The spelling of 8625379453631 in words is "eight trillion, six hundred twenty-five billion, three hundred seventy-nine million, four hundred fifty-three thousand, six hundred thirty-one".