320254454463613 has 8 divisors (see below), whose sum is σ = 339107351671800. Its totient is φ = 301403157242880.

The previous prime is 320254454463577. The next prime is 320254454463701. The reversal of 320254454463613 is 316364454452023.

It can be written as a sum of positive squares in 4 ways, for example, as 175089522969 + 320079364940644 = 418437^2 + 17890762^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-320254454463613 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 (320254454463113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399584748 + ... + 400385413.

It is an arithmetic number, because the mean of its divisors is an integer number (42388418958975).

Almost surely, 2^{320254454463613} is an apocalyptic number.

It is an amenable number.

320254454463613 is a deficient number, since it is larger than the sum of its proper divisors (18852897208187).

320254454463613 is a wasteful number, since it uses less digits than its factorization.

320254454463613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799993727.

The product of its (nonzero) digits is 24883200, while the sum is 52.

The spelling of 320254454463613 in words is "three hundred twenty trillion, two hundred fifty-four billion, four hundred fifty-four million, four hundred sixty-three thousand, six hundred thirteen".