320113464320989 has 4 divisors (see below), whose sum is σ = 326924389093824. Its totient is φ = 313302539548156.

The previous prime is 320113464320927. The next prime is 320113464321043. The reversal of 320113464320989 is 989023464311023.

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 not a de Polignac number, because 320113464320989 - 2¹¹ = 320113464318941 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 (320113464327989) 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, 3405462386347 + ... + 3405462386440.

It is an arithmetic number, because the mean of its divisors is an integer number (81731097273456).

Almost surely, 2^{320113464320989} is an apocalyptic number.

It is an amenable number.

320113464320989 is a deficient number, since it is larger than the sum of its proper divisors (6810924772835).

320113464320989 is an equidigital number, since it uses as much as digits as its factorization.

320113464320989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6810924772834.

The product of its (nonzero) digits is 6718464, while the sum is 55.

The spelling of 320113464320989 in words is "three hundred twenty trillion, one hundred thirteen billion, four hundred sixty-four million, three hundred twenty thousand, nine hundred eighty-nine".