6465853231 has 2 divisors, whose sum is σ = 6465853232. Its totient is φ = 6465853230.

The previous prime is 6465853213. The next prime is 6465853259. The reversal of 6465853231 is 1323585646.

Together with previous prime (6465853213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6465853231 - 2⁹ = 6465852719 is a prime.

It is a super-2 number, since 2×6465853231² = 83614516009666278722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6465853271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3232926615 + 3232926616.

It is an arithmetic number, because the mean of its divisors is an integer number (3232926616).

Almost surely, 2^6465853231 is an apocalyptic number.

6465853231 is a deficient number, since it is larger than the sum of its proper divisors (1).

6465853231 is an equidigital number, since it uses as much as digits as its factorization.

6465853231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 518400, while the sum is 43.

The square root of 6465853231 is about 80410.5293540591. The cubic root of 6465853231 is about 1862.9818082727.

The spelling of 6465853231 in words is "six billion, four hundred sixty-five million, eight hundred fifty-three thousand, two hundred thirty-one".