11609413893 has 96 divisors (see below), whose sum is σ = 21996748800. Its totient is φ = 5723625600.

The previous prime is 11609413873. The next prime is 11609413901. The reversal of 11609413893 is 39831490611.

11609413893 is a `hidden beast` number, since 1 + 1 + 609 + 4 + 1 + 38 + 9 + 3 = 666.

It is not a de Polignac number, because 11609413893 - 2⁵ = 11609413861 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11609413813) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1180828 + ... + 1190618.

It is an arithmetic number, because the mean of its divisors is an integer number (229132800).

Almost surely, 2^11609413893 is an apocalyptic number.

It is an amenable number.

11609413893 is a deficient number, since it is larger than the sum of its proper divisors (10387334907).

11609413893 is a wasteful number, since it uses less digits than its factorization.

11609413893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9903 (or 9900 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The spelling of 11609413893 in words is "eleven billion, six hundred nine million, four hundred thirteen thousand, eight hundred ninety-three".