613243564624 has 10 divisors (see below), whose sum is σ = 1188159406490. Its totient is φ = 306621782304.

The previous prime is 613243564613. The next prime is 613243564639. The reversal of 613243564624 is 426465342316.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 571354574400 + 41888990224 = 755880^2 + 204668^2 .

It is a super-2 number, since 2×613243564624² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19163861379 + ... + 19163861410.

It is an arithmetic number, because the mean of its divisors is an integer number (118815940649).

Almost surely, 2^613243564624 is an apocalyptic number.

It is an amenable number.

613243564624 is a deficient number, since it is larger than the sum of its proper divisors (574915841866).

613243564624 is a wasteful number, since it uses less digits than its factorization.

613243564624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38327722797 (or 38327722791 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 46.

The spelling of 613243564624 in words is "six hundred thirteen billion, two hundred forty-three million, five hundred sixty-four thousand, six hundred twenty-four".