613869116004 has 81 divisors (see below), whose sum is σ = 1576039092537. Its totient is φ = 201465541728.

The previous prime is 613869115999. The next prime is 613869116009. The reversal of 613869116004 is 400611968316.

The square root of 613869116004 is 783498.

It is a perfect power (a square), and thus also a powerful number.

613869116004 is a `hidden beast` number, since 6 + 1 + 38 + 6 + 9 + 1 + 1 + 600 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (613869115999) and next prime (613869116009).

It can be written as a sum of positive squares in only one way, i.e., 494346797604 + 119522318400 = 703098^2 + 345720^2 .

It is not an unprimeable number, because it can be changed into a prime (613869116009) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 314965222 + ... + 314967170.

Almost surely, 2^613869116004 is an apocalyptic number.

613869116004 is the 783498-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 613869116004

613869116004 is an abundant number, since it is smaller than the sum of its proper divisors (962169976533).

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

613869116004 is an equidigital number, since it uses as much as digits as its factorization.

613869116004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4042 (or 2021 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 613869116004 in words is "six hundred thirteen billion, eight hundred sixty-nine million, one hundred sixteen thousand, four".