613926631313 has 32 divisors (see below), whose sum is σ = 655402788096. Its totient is φ = 573882236928.

The previous prime is 613926631261. The next prime is 613926631333. The reversal of 613926631313 is 313136629316.

It is a cyclic number.

It is not a de Polignac number, because 613926631313 - 2³⁰ = 612852889489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613926631333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57088145 + ... + 57098897.

It is an arithmetic number, because the mean of its divisors is an integer number (20481337128).

Almost surely, 2^613926631313 is an apocalyptic number.

It is an amenable number.

613926631313 is a deficient number, since it is larger than the sum of its proper divisors (41476156783).

613926631313 is a wasteful number, since it uses less digits than its factorization.

613926631313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11193.

The product of its digits is 314928, while the sum is 44.

The spelling of 613926631313 in words is "six hundred thirteen billion, nine hundred twenty-six million, six hundred thirty-one thousand, three hundred thirteen".