613215723732 has 24 divisors (see below), whose sum is σ = 1434335078400. Its totient is φ = 203905471296.

The previous prime is 613215723721. The next prime is 613215723767. The reversal of 613215723732 is 237327512316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62466132 + ... + 62475947.

It is an arithmetic number, because the mean of its divisors is an integer number (59763961600).

Almost surely, 2^613215723732 is an apocalyptic number.

It is an amenable number.

613215723732 is an abundant number, since it is smaller than the sum of its proper divisors (821119354668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613215723732 is a wasteful number, since it uses less digits than its factorization.

613215723732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124942495 (or 124942493 counting only the distinct ones).

The product of its digits is 317520, while the sum is 42.

The spelling of 613215723732 in words is "six hundred thirteen billion, two hundred fifteen million, seven hundred twenty-three thousand, seven hundred thirty-two".