2663612431 has 2 divisors, whose sum is σ = 2663612432. Its totient is φ = 2663612430.

The previous prime is 2663612423. The next prime is 2663612447. The reversal of 2663612431 is 1342163662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2663612431 - 2³ = 2663612423 is a prime.

It is a super-2 number, since 2×2663612431² = 14189662365155459522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2663612401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1331806215 + 1331806216.

It is an arithmetic number, because the mean of its divisors is an integer number (1331806216).

Almost surely, 2^2663612431 is an apocalyptic number.

2663612431 is a deficient number, since it is larger than the sum of its proper divisors (1).

2663612431 is an equidigital number, since it uses as much as digits as its factorization.

2663612431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 34.

The square root of 2663612431 is about 51610.1969672661. The cubic root of 2663612431 is about 1386.1929242665.

The spelling of 2663612431 in words is "two billion, six hundred sixty-three million, six hundred twelve thousand, four hundred thirty-one".