79069503249 has 27 divisors (see below), whose sum is σ = 125553000027. Its totient is φ = 47915287200.

The previous prime is 79069503223. The next prime is 79069503319. The reversal of 79069503249 is 94230596097.

The square root of 79069503249 is 281193.

It is a perfect power (a square), and thus also a powerful number.

79069503249 is a `hidden beast` number, since 7 + 90 + 6 + 9 + 503 + 2 + 49 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38281661649 + 40787841600 = 195657^2 + 201960^2 .

It is not a de Polignac number, because 79069503249 - 2¹⁵ = 79069470481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 79069503195 and 79069503204.

It is not an unprimeable number, because it can be changed into a prime (79069503209) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 9275109 + ... + 9283629.

Almost surely, 2^79069503249 is an apocalyptic number.

79069503249 is the 281193-rd square number.

79069503249 is the 140597-th centered octagonal number.

It is an amenable number.

79069503249 is a deficient number, since it is larger than the sum of its proper divisors (46483496778).

79069503249 is an frugal number, since it uses more digits than its factorization.

79069503249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17070 (or 8535 counting only the distinct ones).

The product of its (nonzero) digits is 3674160, while the sum is 54.

The spelling of 79069503249 in words is "seventy-nine billion, sixty-nine million, five hundred three thousand, two hundred forty-nine".