9045801631 has 2 divisors, whose sum is σ = 9045801632. Its totient is φ = 9045801630.

The previous prime is 9045801617. The next prime is 9045801649. The reversal of 9045801631 is 1361085409.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9045801631 - 2⁷ = 9045801503 is a prime.

It is a super-2 number, since 2×9045801631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9045801601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4522900815 + 4522900816.

It is an arithmetic number, because the mean of its divisors is an integer number (4522900816).

Almost surely, 2^9045801631 is an apocalyptic number.

9045801631 is a deficient number, since it is larger than the sum of its proper divisors (1).

9045801631 is an equidigital number, since it uses as much as digits as its factorization.

9045801631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 9045801631 is about 95109.4192548772. The cubic root of 9045801631 is about 2083.6064183519.

The spelling of 9045801631 in words is "nine billion, forty-five million, eight hundred one thousand, six hundred thirty-one".