7631958113 has 4 divisors (see below), whose sum is σ = 8219031828. Its totient is φ = 7044884400.

The previous prime is 7631958067. The next prime is 7631958151. The reversal of 7631958113 is 3118591367.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2431673344 + 5200284769 = 49312^2 + 72113^2 .

It is a cyclic number.

It is not a de Polignac number, because 7631958113 - 2¹² = 7631954017 is a prime.

It is a super-3 number, since 3×7631958113³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7631958163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 293536838 + ... + 293536863.

It is an arithmetic number, because the mean of its divisors is an integer number (2054757957).

Almost surely, 2^7631958113 is an apocalyptic number.

It is an amenable number.

7631958113 is a deficient number, since it is larger than the sum of its proper divisors (587073715).

7631958113 is a wasteful number, since it uses less digits than its factorization.

7631958113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587073714.

The product of its digits is 136080, while the sum is 44.

The square root of 7631958113 is about 87361.0789367897. The cubic root of 7631958113 is about 1968.8471109998.

The spelling of 7631958113 in words is "seven billion, six hundred thirty-one million, nine hundred fifty-eight thousand, one hundred thirteen".