7746613231631 has 4 divisors (see below), whose sum is σ = 7746641785200. Its totient is φ = 7746584678064.

The previous prime is 7746613231627. The next prime is 7746613231639. The reversal of 7746613231631 is 1361323166477.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7746613231631 - 2² = 7746613231627 is a prime.

It is a super-2 number, since 2×7746613231631² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7746613231631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7746613231639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13865891 + ... + 14413748.

It is an arithmetic number, because the mean of its divisors is an integer number (1936660446300).

Almost surely, 2^{7746613231631} is an apocalyptic number.

7746613231631 is a deficient number, since it is larger than the sum of its proper divisors (28553569).

7746613231631 is a wasteful number, since it uses less digits than its factorization.

7746613231631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28553568.

The product of its digits is 2286144, while the sum is 50.

The spelling of 7746613231631 in words is "seven trillion, seven hundred forty-six billion, six hundred thirteen million, two hundred thirty-one thousand, six hundred thirty-one".