2630445631 has 8 divisors (see below), whose sum is σ = 2870274384. Its totient is φ = 2390733120.

The previous prime is 2630445617. The next prime is 2630445647. The reversal of 2630445631 is 1365440362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2630445631 - 2²³ = 2622057023 is a prime.

It is a super-2 number, since 2×2630445631² = 13838488435293976322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2630445691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22201 + ... + 75853.

It is an arithmetic number, because the mean of its divisors is an integer number (358784298).

Almost surely, 2^2630445631 is an apocalyptic number.

2630445631 is a deficient number, since it is larger than the sum of its proper divisors (239828753).

2630445631 is a wasteful number, since it uses less digits than its factorization.

2630445631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58121.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 2630445631 is about 51287.8702131410. The cubic root of 2630445631 is about 1380.4153393458.

Adding to 2630445631 its reverse (1365440362), we get a palindrome (3995885993).

The spelling of 2630445631 in words is "two billion, six hundred thirty million, four hundred forty-five thousand, six hundred thirty-one".