613243564631 has 8 divisors (see below), whose sum is σ = 614645915904. Its totient is φ = 611842756320.

The previous prime is 613243564613. The next prime is 613243564639. The reversal of 613243564631 is 136465342316.

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 613243564631 - 2³⁰ = 612169822807 is a prime.

It is a super-2 number, since 2×613243564631² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613243564639) 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, 411941 + ... + 1181601.

It is an arithmetic number, because the mean of its divisors is an integer number (76830739488).

Almost surely, 2^613243564631 is an apocalyptic number.

613243564631 is a deficient number, since it is larger than the sum of its proper divisors (1402351273).

613243564631 is a wasteful number, since it uses less digits than its factorization.

613243564631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771481.

The product of its digits is 933120, while the sum is 44.

The spelling of 613243564631 in words is "six hundred thirteen billion, two hundred forty-three million, five hundred sixty-four thousand, six hundred thirty-one".