613063402704 has 100 divisors (see below), whose sum is σ = 1776010861636. Its totient is φ = 204167029248.

The previous prime is 613063402697. The next prime is 613063402709. The reversal of 613063402704 is 407204360316.

It is a happy number.

613063402704 is a `hidden beast` number, since 6 + 1 + 306 + 340 + 2 + 7 + 0 + 4 = 666.

613063402704 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 364999639104 + 248063763600 = 604152^2 + 498060^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613063402709) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1200132 + ... + 1632924.

Almost surely, 2^613063402704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 613063402704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (888005430818).

613063402704 is an abundant number, since it is smaller than the sum of its proper divisors (1162947458932).

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

613063402704 is a wasteful number, since it uses less digits than its factorization.

613063402704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433906 (or 433891 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 36.

The spelling of 613063402704 in words is "six hundred thirteen billion, sixty-three million, four hundred two thousand, seven hundred four".