2651023405631 has 2 divisors, whose sum is σ = 2651023405632. Its totient is φ = 2651023405630.

The previous prime is 2651023405627. The next prime is 2651023405697. The reversal of 2651023405631 is 1365043201562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2651023405631 - 2² = 2651023405627 is a prime.

It is a super-2 number, since 2×2651023405631² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2651023105631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1325511702815 + 1325511702816.

It is an arithmetic number, because the mean of its divisors is an integer number (1325511702816).

Almost surely, 2^{2651023405631} is an apocalyptic number.

2651023405631 is a deficient number, since it is larger than the sum of its proper divisors (1).

2651023405631 is an equidigital number, since it uses as much as digits as its factorization.

2651023405631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 2651023405631 in words is "two trillion, six hundred fifty-one billion, twenty-three million, four hundred five thousand, six hundred thirty-one".