2668759631 has 2 divisors, whose sum is σ = 2668759632. Its totient is φ = 2668759630.

The previous prime is 2668759619. The next prime is 2668759657. The reversal of 2668759631 is 1369578662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2668759631 - 2²⁶ = 2601650767 is a prime.

It is a super-2 number, since 2×2668759631² = 14244555936110512322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2668759601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1334379815 + 1334379816.

It is an arithmetic number, because the mean of its divisors is an integer number (1334379816).

Almost surely, 2^2668759631 is an apocalyptic number.

2668759631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2668759631 is an equidigital number, since it uses as much as digits as its factorization.

2668759631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3265920, while the sum is 53.

The square root of 2668759631 is about 51660.0390146968. The cubic root of 2668759631 is about 1387.0852489323.

The spelling of 2668759631 in words is "two billion, six hundred sixty-eight million, seven hundred fifty-nine thousand, six hundred thirty-one".