65354645631 has 16 divisors (see below), whose sum is σ = 95097127680. Its totient is φ = 39593949120.

The previous prime is 65354645617. The next prime is 65354645641. The reversal of 65354645631 is 13654645356.

It is not a de Polignac number, because 65354645631 - 2¹⁵ = 65354612863 is a prime.

It is a super-2 number, since 2×65354645631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65354645641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283966 + ... + 459723.

It is an arithmetic number, because the mean of its divisors is an integer number (5943570480).

Almost surely, 2^65354645631 is an apocalyptic number.

65354645631 is a deficient number, since it is larger than the sum of its proper divisors (29742482049).

65354645631 is a wasteful number, since it uses less digits than its factorization.

65354645631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746366.

The product of its digits is 3888000, while the sum is 48.

The spelling of 65354645631 in words is "sixty-five billion, three hundred fifty-four million, six hundred forty-five thousand, six hundred thirty-one".