613243564626 has 64 divisors (see below), whose sum is σ = 1529771774976. Its totient is φ = 159216859200.

The previous prime is 613243564613. The next prime is 613243564639. The reversal of 613243564626 is 626465342316.

It is an interprime number because it is at equal distance from previous prime (613243564613) and next prime (613243564639).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 821281 + ... + 1378763.

It is an arithmetic number, because the mean of its divisors is an integer number (23902683984).

Almost surely, 2^613243564626 is an apocalyptic number.

613243564626 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

613243564626 is an abundant number, since it is smaller than the sum of its proper divisors (916528210350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613243564626 is a wasteful number, since it uses less digits than its factorization.

613243564626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559887.

The product of its digits is 3732480, while the sum is 48.

The spelling of 613243564626 in words is "six hundred thirteen billion, two hundred forty-three million, five hundred sixty-four thousand, six hundred twenty-six".