2663983931 has 10 divisors (see below), whose sum is σ = 3107799132. Its totient is φ = 2283412740.

The previous prime is 2663983921. The next prime is 2663983943. The reversal of 2663983931 is 1393893662.

It is not a de Polignac number, because 2663983931 - 2¹⁸ = 2663721787 is a prime.

It is a super-2 number, since 2×2663983931² = 14193620769252425522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2663983931.

It is not an unprimeable number, because it can be changed into a prime (2663983921) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 552365 + ... + 557166.

Almost surely, 2^2663983931 is an apocalyptic number.

2663983931 is a deficient number, since it is larger than the sum of its proper divisors (443815201).

2663983931 is an frugal number, since it uses more digits than its factorization.

2663983931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109559 (or 1109538 counting only the distinct ones).

The product of its digits is 1259712, while the sum is 50.

The square root of 2663983931 is about 51613.7959367454. The cubic root of 2663983931 is about 1386.2573664161.

The spelling of 2663983931 in words is "two billion, six hundred sixty-three million, nine hundred eighty-three thousand, nine hundred thirty-one".