5579121239 has 4 divisors (see below), whose sum is σ = 5771504760. Its totient is φ = 5386737720.

The previous prime is 5579121227. The next prime is 5579121241. The reversal of 5579121239 is 9321219755.

It is a happy number.

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 5579121239 - 2⁸ = 5579120983 is a prime.

It is a super-2 number, since 2×5579121239² = 62253187598921790242, which 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 5579121239.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5579121299) 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, 96191717 + ... + 96191774.

It is an arithmetic number, because the mean of its divisors is an integer number (1442876190).

Almost surely, 2^5579121239 is an apocalyptic number.

5579121239 is a deficient number, since it is larger than the sum of its proper divisors (192383521).

5579121239 is a wasteful number, since it uses less digits than its factorization.

5579121239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192383520.

The product of its digits is 170100, while the sum is 44.

The square root of 5579121239 is about 74693.5153744955. The cubic root of 5579121239 is about 1773.5983103401.

The spelling of 5579121239 in words is "five billion, five hundred seventy-nine million, one hundred twenty-one thousand, two hundred thirty-nine".