2631996999 has 24 divisors (see below), whose sum is σ = 3945037824. Its totient is φ = 1689138000.

The previous prime is 2631996989. The next prime is 2631997003. The reversal of 2631996999 is 9996991362.

It is a de Polignac number, because none of the positive numbers 2^k-2631996999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2631996989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28594 + ... + 77984.

It is an arithmetic number, because the mean of its divisors is an integer number (164376576).

Almost surely, 2^2631996999 is an apocalyptic number.

2631996999 is a deficient number, since it is larger than the sum of its proper divisors (1313040825).

2631996999 is a wasteful number, since it uses less digits than its factorization.

2631996999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49619 (or 49616 counting only the distinct ones).

The product of its digits is 12754584, while the sum is 63.

The square root of 2631996999 is about 51302.9921057242. The cubic root of 2631996999 is about 1380.6866636277.

The spelling of 2631996999 in words is "two billion, six hundred thirty-one million, nine hundred ninety-six thousand, nine hundred ninety-nine".