613557323771 has 16 divisors (see below), whose sum is σ = 702981819840. Its totient is φ = 524577876480.

The previous prime is 613557323759. The next prime is 613557323789. The reversal of 613557323771 is 177323755316.

It is not a de Polignac number, because 613557323771 - 2²⁶ = 613490214907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613557323711) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4346615 + ... + 4485551.

It is an arithmetic number, because the mean of its divisors is an integer number (43936363740).

Almost surely, 2^613557323771 is an apocalyptic number.

613557323771 is a deficient number, since it is larger than the sum of its proper divisors (89424496069).

613557323771 is a wasteful number, since it uses less digits than its factorization.

613557323771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140534.

The product of its digits is 2778300, while the sum is 50.

The spelling of 613557323771 in words is "six hundred thirteen billion, five hundred fifty-seven million, three hundred twenty-three thousand, seven hundred seventy-one".