918325121313 has 4 divisors (see below), whose sum is σ = 1224433495088. Its totient is φ = 612216747540.

The previous prime is 918325121303. The next prime is 918325121321. The reversal of 918325121313 is 313121523819.

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 not a de Polignac number, because 918325121313 - 2²² = 918320927009 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (918325121303) 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, 153054186883 + ... + 153054186888.

It is an arithmetic number, because the mean of its divisors is an integer number (306108373772).

Almost surely, 2^918325121313 is an apocalyptic number.

It is an amenable number.

918325121313 is a deficient number, since it is larger than the sum of its proper divisors (306108373775).

918325121313 is a wasteful number, since it uses less digits than its factorization.

918325121313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306108373774.

The product of its digits is 38880, while the sum is 39.

The spelling of 918325121313 in words is "nine hundred eighteen billion, three hundred twenty-five million, one hundred twenty-one thousand, three hundred thirteen".