613256707313 has 8 divisors (see below), whose sum is σ = 627544608768. Its totient is φ = 598969993104.

The previous prime is 613256707267. The next prime is 613256707351. The reversal of 613256707313 is 313707652316.

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

It is a cyclic number.

It is not a de Polignac number, because 613256707313 - 2⁶ = 613256707249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613256707013) 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, 794495 + ... + 1362987.

It is an arithmetic number, because the mean of its divisors is an integer number (78443076096).

Almost surely, 2^613256707313 is an apocalyptic number.

It is an amenable number.

613256707313 is a deficient number, since it is larger than the sum of its proper divisors (14287901455).

613256707313 is a wasteful number, since it uses less digits than its factorization.

613256707313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593623.

The product of its (nonzero) digits is 476280, while the sum is 44.

The spelling of 613256707313 in words is "six hundred thirteen billion, two hundred fifty-six million, seven hundred seven thousand, three hundred thirteen".