613139230971 has 6 divisors (see below), whose sum is σ = 885645555860. Its totient is φ = 408759487308.

The previous prime is 613139230933. The next prime is 613139230997. The reversal of 613139230971 is 179032931316.

613139230971 is a `hidden beast` number, since 613 + 1 + 3 + 9 + 23 + 0 + 9 + 7 + 1 = 666.

It is not a de Polignac number, because 613139230971 - 2¹³ = 613139222779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613139240971) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34063290601 + ... + 34063290618.

Almost surely, 2^613139230971 is an apocalyptic number.

613139230971 is a deficient number, since it is larger than the sum of its proper divisors (272506324889).

613139230971 is a wasteful number, since it uses less digits than its factorization.

613139230971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68126581225 (or 68126581222 counting only the distinct ones).

The product of its (nonzero) digits is 183708, while the sum is 45.

The spelling of 613139230971 in words is "six hundred thirteen billion, one hundred thirty-nine million, two hundred thirty thousand, nine hundred seventy-one".