8479936369 has 4 divisors (see below), whose sum is σ = 8536095040. Its totient is φ = 8423777700.

The previous prime is 8479936349. The next prime is 8479936391. The reversal of 8479936369 is 9636399748.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8479936369 - 2²¹ = 8477839217 is a prime.

It is a super-2 number, since 2×8479936369² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8479936369.

It is not an unprimeable number, because it can be changed into a prime (8479936349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28079109 + ... + 28079410.

It is an arithmetic number, because the mean of its divisors is an integer number (2134023760).

Almost surely, 2^8479936369 is an apocalyptic number.

It is an amenable number.

8479936369 is a deficient number, since it is larger than the sum of its proper divisors (56158671).

8479936369 is a wasteful number, since it uses less digits than its factorization.

8479936369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56158670.

The product of its digits is 52907904, while the sum is 64.

The square root of 8479936369 is about 92086.5699708703. The cubic root of 8479936369 is about 2039.2205442827.

The spelling of 8479936369 in words is "eight billion, four hundred seventy-nine million, nine hundred thirty-six thousand, three hundred sixty-nine".