2631446993 has 16 divisors (see below), whose sum is σ = 3093576960. Its totient is φ = 2191064256.

The previous prime is 2631446941. The next prime is 2631446999. The reversal of 2631446993 is 3996441362.

2631446993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2631446993 - 2⁶ = 2631446929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2631446999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161348 + ... + 176906.

It is an arithmetic number, because the mean of its divisors is an integer number (193348560).

Almost surely, 2^2631446993 is an apocalyptic number.

It is an amenable number.

2631446993 is a deficient number, since it is larger than the sum of its proper divisors (462129967).

2631446993 is a wasteful number, since it uses less digits than its factorization.

2631446993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16256.

The product of its digits is 839808, while the sum is 47.

The square root of 2631446993 is about 51297.6314560429. The cubic root of 2631446993 is about 1380.5904833190.

The spelling of 2631446993 in words is "two billion, six hundred thirty-one million, four hundred forty-six thousand, nine hundred ninety-three".