5191915729 has 16 divisors (see below), whose sum is σ = 6970965120. Its totient is φ = 3734444160.

The previous prime is 5191915721. The next prime is 5191915769. The reversal of 5191915729 is 9275191915.

It is a cyclic number.

It is not a de Polignac number, because 5191915729 - 2³ = 5191915721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5191915721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2592364 + ... + 2594365.

It is an arithmetic number, because the mean of its divisors is an integer number (435685320).

Almost surely, 2^5191915729 is an apocalyptic number.

It is an amenable number.

5191915729 is a deficient number, since it is larger than the sum of its proper divisors (1779049391).

5191915729 is a wasteful number, since it uses less digits than its factorization.

5191915729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5186760.

The product of its digits is 255150, while the sum is 49.

The square root of 5191915729 is about 72054.9493719897. The cubic root of 5191915729 is about 1731.5799358251.

The spelling of 5191915729 in words is "five billion, one hundred ninety-one million, nine hundred fifteen thousand, seven hundred twenty-nine".