5636456279 has 4 divisors (see below), whose sum is σ = 5640096600. Its totient is φ = 5632815960.

The previous prime is 5636456257. The next prime is 5636456281. The reversal of 5636456279 is 9726546365.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5636456279 is a prime.

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 5636456279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5636456209) 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, 1817837 + ... + 1820934.

It is an arithmetic number, because the mean of its divisors is an integer number (1410024150).

Almost surely, 2^5636456279 is an apocalyptic number.

5636456279 is a deficient number, since it is larger than the sum of its proper divisors (3640321).

5636456279 is a wasteful number, since it uses less digits than its factorization.

5636456279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3640320.

The product of its digits is 8164800, while the sum is 53.

The square root of 5636456279 is about 75076.3363450828. The cubic root of 5636456279 is about 1779.6532042266.

The spelling of 5636456279 in words is "five billion, six hundred thirty-six million, four hundred fifty-six thousand, two hundred seventy-nine".