58913631613 has 4 divisors (see below), whose sum is σ = 59575582620. Its totient is φ = 58251680608.

The previous prime is 58913631593. The next prime is 58913631641. The reversal of 58913631613 is 31613631985.

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 21495371769 + 37418259844 = 146613^2 + 193438^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-58913631613 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58913631013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330975370 + ... + 330975547.

It is an arithmetic number, because the mean of its divisors is an integer number (14893895655).

Almost surely, 2^58913631613 is an apocalyptic number.

It is an amenable number.

58913631613 is a deficient number, since it is larger than the sum of its proper divisors (661951007).

58913631613 is an equidigital number, since it uses as much as digits as its factorization.

58913631613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661951006.

The product of its digits is 349920, while the sum is 46.

The spelling of 58913631613 in words is "fifty-eight billion, nine hundred thirteen million, six hundred thirty-one thousand, six hundred thirteen".