613612404504 has 224 divisors, whose sum is σ = 1884178193040. Its totient is φ = 185709542400.

The previous prime is 613612404497. The next prime is 613612404529. The reversal of 613612404504 is 405404216316.

613612404504 is a `hidden beast` number, since 6 + 1 + 361 + 240 + 4 + 50 + 4 = 666.

It is a super-2 number, since 2×613612404504² (a number of 24 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 54972684 + ... + 54983844.

Almost surely, 2^613612404504 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 613612404504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (942089096520).

613612404504 is an abundant number, since it is smaller than the sum of its proper divisors (1270565788536).

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

613612404504 is a wasteful number, since it uses less digits than its factorization.

613612404504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12053 (or 12034 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The spelling of 613612404504 in words is "six hundred thirteen billion, six hundred twelve million, four hundred four thousand, five hundred four".