73958816131 has 4 divisors (see below), whose sum is σ = 73959670312. Its totient is φ = 73957961952.

The previous prime is 73958816119. The next prime is 73958816137. The reversal of 73958816131 is 13161885937.

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 73958816131 - 2¹⁵ = 73958783363 is a prime.

It is a super-2 number, since 2×73958816131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73958816137) 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, 280425 + ... + 475978.

It is an arithmetic number, because the mean of its divisors is an integer number (18489917578).

Almost surely, 2^73958816131 is an apocalyptic number.

73958816131 is a deficient number, since it is larger than the sum of its proper divisors (854181).

73958816131 is an equidigital number, since it uses as much as digits as its factorization.

73958816131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854180.

The product of its digits is 1088640, while the sum is 52.

The spelling of 73958816131 in words is "seventy-three billion, nine hundred fifty-eight million, eight hundred sixteen thousand, one hundred thirty-one".