613476978020 has 48 divisors (see below), whose sum is σ = 1393107206400. Its totient is φ = 226042074624.

The previous prime is 613476978011. The next prime is 613476978061. The reversal of 613476978020 is 20879674316.

613476978020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19179170 + ... + 19211129.

It is an arithmetic number, because the mean of its divisors is an integer number (29023066800).

Almost surely, 2^613476978020 is an apocalyptic number.

It is an amenable number.

613476978020 is an abundant number, since it is smaller than the sum of its proper divisors (779630228380).

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

613476978020 is a wasteful number, since it uses less digits than its factorization.

613476978020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38390372 (or 38390370 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 613476978020 in words is "six hundred thirteen billion, four hundred seventy-six million, nine hundred seventy-eight thousand, twenty".