79364364993 has 6 divisors (see below), whose sum is σ = 114637416114. Its totient is φ = 52909576656.

The previous prime is 79364364991. The next prime is 79364365007. The reversal of 79364364993 is 39946346397.

79364364993 is a `hidden beast` number, since 79 + 3 + 6 + 436 + 49 + 93 = 666.

It can be written as a sum of positive squares in only one way, i.e., 74175611904 + 5188753089 = 272352^2 + 72033^2 .

It is not a de Polignac number, because 79364364993 - 2¹ = 79364364991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 79364364993.

It is not an unprimeable number, because it can be changed into a prime (79364364991) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4409131380 + ... + 4409131397.

It is an arithmetic number, because the mean of its divisors is an integer number (19106236019).

Almost surely, 2^79364364993 is an apocalyptic number.

It is an amenable number.

79364364993 is a deficient number, since it is larger than the sum of its proper divisors (35273051121).

79364364993 is a wasteful number, since it uses less digits than its factorization.

79364364993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8818262783 (or 8818262780 counting only the distinct ones).

The product of its digits is 79361856, while the sum is 63.

The spelling of 79364364993 in words is "seventy-nine billion, three hundred sixty-four million, three hundred sixty-four thousand, nine hundred ninety-three".