79561941093 has 16 divisors (see below), whose sum is σ = 118149534400. Its totient is φ = 52915297680.

The previous prime is 79561941059. The next prime is 79561941097. The reversal of 79561941093 is 39014916597.

79561941093 is a `hidden beast` number, since 7 + 9 + 5 + 619 + 4 + 10 + 9 + 3 = 666.

It is not a de Polignac number, because 79561941093 - 2²¹ = 79559843941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79561941097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3488323 + ... + 3511056.

It is an arithmetic number, because the mean of its divisors is an integer number (7384345900).

Almost surely, 2^79561941093 is an apocalyptic number.

It is an amenable number.

79561941093 is a deficient number, since it is larger than the sum of its proper divisors (38587593307).

79561941093 is a wasteful number, since it uses less digits than its factorization.

79561941093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6999809 (or 6999803 counting only the distinct ones).

The product of its (nonzero) digits is 1837080, while the sum is 54.

The spelling of 79561941093 in words is "seventy-nine billion, five hundred sixty-one million, nine hundred forty-one thousand, ninety-three".