5215849579 has 4 divisors (see below), whose sum is σ = 5263701520. Its totient is φ = 5167997640.

The previous prime is 5215849571. The next prime is 5215849589. The reversal of 5215849579 is 9759485125.

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

It is a cyclic number.

It is not a de Polignac number, because 5215849579 - 2³ = 5215849571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5215849571) 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, 23925807 + ... + 23926024.

It is an arithmetic number, because the mean of its divisors is an integer number (1315925380).

Almost surely, 2^5215849579 is an apocalyptic number.

5215849579 is a deficient number, since it is larger than the sum of its proper divisors (47851941).

5215849579 is a wasteful number, since it uses less digits than its factorization.

5215849579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47851940.

The product of its digits is 4536000, while the sum is 55.

The square root of 5215849579 is about 72220.8389524796. The cubic root of 5215849579 is about 1734.2366208775.

The spelling of 5215849579 in words is "five billion, two hundred fifteen million, eight hundred forty-nine thousand, five hundred seventy-nine".