6534137899 has 8 divisors (see below), whose sum is σ = 6627962880. Its totient is φ = 6440672616.

The previous prime is 6534137893. The next prime is 6534137923. The reversal of 6534137899 is 9987314356.

6534137899 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6534137899 - 2¹¹ = 6534135851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6534137893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53227 + ... + 126100.

It is an arithmetic number, because the mean of its divisors is an integer number (828495360).

Almost surely, 2^6534137899 is an apocalyptic number.

6534137899 is a deficient number, since it is larger than the sum of its proper divisors (93824981).

6534137899 is a wasteful number, since it uses less digits than its factorization.

6534137899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179849.

The product of its digits is 4898880, while the sum is 55.

The square root of 6534137899 is about 80834.0144926627. The cubic root of 6534137899 is about 1869.5170570763.

The spelling of 6534137899 in words is "six billion, five hundred thirty-four million, one hundred thirty-seven thousand, eight hundred ninety-nine".