613316691172 has 6 divisors (see below), whose sum is σ = 1073304209558. Its totient is φ = 306658345584.

The previous prime is 613316691137. The next prime is 613316691203. The reversal of 613316691172 is 271196613316.

It can be written as a sum of positive squares in only one way, i.e., 325018570816 + 288298120356 = 570104^2 + 536934^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76664586393 + ... + 76664586400.

Almost surely, 2^613316691172 is an apocalyptic number.

It is an amenable number.

613316691172 is a deficient number, since it is larger than the sum of its proper divisors (459987518386).

613316691172 is a wasteful number, since it uses less digits than its factorization.

613316691172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153329172797 (or 153329172795 counting only the distinct ones).

The product of its digits is 244944, while the sum is 46.

The spelling of 613316691172 in words is "six hundred thirteen billion, three hundred sixteen million, six hundred ninety-one thousand, one hundred seventy-two".