79449694497 has 24 divisors (see below), whose sum is σ = 122213715624. Its totient is φ = 49562617344.

The previous prime is 79449694483. The next prime is 79449694523.

79449694497 is a `hidden beast` number, since 7 + 9 + 4 + 49 + 6 + 94 + 497 = 666.

79449694497 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 4 ways, for example, as 13114601361 + 66335093136 = 114519^2 + 257556^2 .

It is not a de Polignac number, because 79449694497 - 2⁴ = 79449694481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79449694447) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1474338 + ... + 1527275.

It is an arithmetic number, because the mean of its divisors is an integer number (5092238151).

Almost surely, 2^79449694497 is an apocalyptic number.

It is an amenable number.

79449694497 is a deficient number, since it is larger than the sum of its proper divisors (42764021127).

79449694497 is a wasteful number, since it uses less digits than its factorization.

79449694497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3001809 (or 3001806 counting only the distinct ones).

The product of its digits is 493807104, while the sum is 72.

The spelling of 79449694497 in words is "seventy-nine billion, four hundred forty-nine million, six hundred ninety-four thousand, four hundred ninety-seven".