5517499309 has 4 divisors (see below), whose sum is σ = 6305713504. Its totient is φ = 4729285116.

The previous prime is 5517499303. The next prime is 5517499327. The reversal of 5517499309 is 9039947155.

It is a happy number.

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 5517499309 - 2³ = 5517499301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5517499301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394107087 + ... + 394107100.

It is an arithmetic number, because the mean of its divisors is an integer number (1576428376).

Almost surely, 2^5517499309 is an apocalyptic number.

It is an amenable number.

5517499309 is a deficient number, since it is larger than the sum of its proper divisors (788214195).

5517499309 is an equidigital number, since it uses as much as digits as its factorization.

5517499309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788214194.

The product of its (nonzero) digits is 1530900, while the sum is 52.

The square root of 5517499309 is about 74279.8714928883. The cubic root of 5517499309 is about 1767.0442662005.

The spelling of 5517499309 in words is "five billion, five hundred seventeen million, four hundred ninety-nine thousand, three hundred nine".