6496881631 has 2 divisors, whose sum is σ = 6496881632. Its totient is φ = 6496881630.

The previous prime is 6496881593. The next prime is 6496881647. The reversal of 6496881631 is 1361886946.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6496881631 is a prime.

It is a super-2 number, since 2×6496881631² = 84418941854450440322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6496881031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3248440815 + 3248440816.

It is an arithmetic number, because the mean of its divisors is an integer number (3248440816).

Almost surely, 2^6496881631 is an apocalyptic number.

6496881631 is a deficient number, since it is larger than the sum of its proper divisors (1).

6496881631 is an equidigital number, since it uses as much as digits as its factorization.

6496881631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 52.

The square root of 6496881631 is about 80603.2358593624. The cubic root of 6496881631 is about 1865.9570858727.

The spelling of 6496881631 in words is "six billion, four hundred ninety-six million, eight hundred eighty-one thousand, six hundred thirty-one".