73156589113 has 4 divisors (see below), whose sum is σ = 73219063888. Its totient is φ = 73094114340.

The previous prime is 73156589071. The next prime is 73156589119. The reversal of 73156589113 is 31198565137.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73156589113 - 2²⁵ = 73123034681 is a prime.

It is a super-4 number, since 4×73156589113⁴ (a number of 45 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73156589119) 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, 31235631 + ... + 31237972.

It is an arithmetic number, because the mean of its divisors is an integer number (18304765972).

Almost surely, 2^73156589113 is an apocalyptic number.

It is an amenable number.

73156589113 is a deficient number, since it is larger than the sum of its proper divisors (62474775).

73156589113 is a wasteful number, since it uses less digits than its factorization.

73156589113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62474774.

The product of its digits is 680400, while the sum is 49.

The spelling of 73156589113 in words is "seventy-three billion, one hundred fifty-six million, five hundred eighty-nine thousand, one hundred thirteen".