485831643631 has 32 divisors (see below), whose sum is σ = 515562778368. Its totient is φ = 457204849920.

The previous prime is 485831643629. The next prime is 485831643667. The reversal of 485831643631 is 136346138584.

It is a cyclic number.

It is not a de Polignac number, because 485831643631 - 2¹ = 485831643629 is a prime.

It is a super-2 number, since 2×485831643631² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485831643131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109001955 + ... + 109006411.

It is an arithmetic number, because the mean of its divisors is an integer number (16111336824).

Almost surely, 2^485831643631 is an apocalyptic number.

485831643631 is a deficient number, since it is larger than the sum of its proper divisors (29731134737).

485831643631 is a wasteful number, since it uses less digits than its factorization.

485831643631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5191.

The product of its digits is 4976640, while the sum is 52.

The spelling of 485831643631 in words is "four hundred eighty-five billion, eight hundred thirty-one million, six hundred forty-three thousand, six hundred thirty-one".