5015616509 has 4 divisors (see below), whose sum is σ = 5233686816. Its totient is φ = 4797546204.

The previous prime is 5015616479. The next prime is 5015616521. The reversal of 5015616509 is 9056165105.

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 5015616509 - 2⁸ = 5015616253 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 (5015616569) 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, 109035119 + ... + 109035164.

It is an arithmetic number, because the mean of its divisors is an integer number (1308421704).

Almost surely, 2^5015616509 is an apocalyptic number.

It is an amenable number.

5015616509 is a deficient number, since it is larger than the sum of its proper divisors (218070307).

5015616509 is a wasteful number, since it uses less digits than its factorization.

5015616509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218070306.

The product of its (nonzero) digits is 40500, while the sum is 38.

The square root of 5015616509 is about 70821.0174242082. The cubic root of 5015616509 is about 1711.7543534435.

The spelling of 5015616509 in words is "five billion, fifteen million, six hundred sixteen thousand, five hundred nine".