613552251213 has 24 divisors (see below), whose sum is σ = 980426655936. Its totient is φ = 366612523200.

The previous prime is 613552251203. The next prime is 613552251227. The reversal of 613552251213 is 312152255316.

613552251213 is a `hidden beast` number, since 6 + 1 + 3 + 5 + 522 + 5 + 121 + 3 = 666.

It is not a de Polignac number, because 613552251213 - 2¹² = 613552247117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613552251203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43637320 + ... + 43651377.

It is an arithmetic number, because the mean of its divisors is an integer number (40851110664).

Almost surely, 2^613552251213 is an apocalyptic number.

It is an amenable number.

613552251213 is a deficient number, since it is larger than the sum of its proper divisors (366874404723).

613552251213 is a wasteful number, since it uses less digits than its factorization.

613552251213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87288785 (or 87288782 counting only the distinct ones).

The product of its digits is 54000, while the sum is 36.

The spelling of 613552251213 in words is "six hundred thirteen billion, five hundred fifty-two million, two hundred fifty-one thousand, two hundred thirteen".