2631230646 has 16 divisors (see below), whose sum is σ = 5740867008. Its totient is φ = 797342600.

The previous prime is 2631230603. The next prime is 2631230731. The reversal of 2631230646 is 6460321362.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19933500 + ... + 19933631.

It is an arithmetic number, because the mean of its divisors is an integer number (358804188).

Almost surely, 2^2631230646 is an apocalyptic number.

2631230646 is an abundant number, since it is smaller than the sum of its proper divisors (3109636362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2631230646 is a wasteful number, since it uses less digits than its factorization.

2631230646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39867147.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 2631230646 is about 51295.5226701123. The cubic root of 2631230646 is about 1380.5526467477.

The spelling of 2631230646 in words is "two billion, six hundred thirty-one million, two hundred thirty thousand, six hundred forty-six".