613326610021 has 16 divisors (see below), whose sum is σ = 636140822400. Its totient is φ = 590624402368.

The previous prime is 613326610003. The next prime is 613326610031. The reversal of 613326610021 is 120016623316.

It is a cyclic number.

It is not a de Polignac number, because 613326610021 - 2²³ = 613318221413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613326610031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43531440 + ... + 43545526.

It is an arithmetic number, because the mean of its divisors is an integer number (39758801400).

Almost surely, 2^613326610021 is an apocalyptic number.

It is an amenable number.

613326610021 is a deficient number, since it is larger than the sum of its proper divisors (22814212379).

613326610021 is a wasteful number, since it uses less digits than its factorization.

613326610021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17948.

The product of its (nonzero) digits is 7776, while the sum is 31.

The spelling of 613326610021 in words is "six hundred thirteen billion, three hundred twenty-six million, six hundred ten thousand, twenty-one".