6534086899 has 4 divisors (see below), whose sum is σ = 6534249480. Its totient is φ = 6533924320.

The previous prime is 6534086879. The next prime is 6534086921. The reversal of 6534086899 is 9986804356.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6534086899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6534086809) 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, 27744 + ... + 117634.

It is an arithmetic number, because the mean of its divisors is an integer number (1633562370).

Almost surely, 2^6534086899 is an apocalyptic number.

6534086899 is a deficient number, since it is larger than the sum of its proper divisors (162581).

6534086899 is an equidigital number, since it uses as much as digits as its factorization.

6534086899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162580.

The product of its (nonzero) digits is 11197440, while the sum is 58.

The square root of 6534086899 is about 80833.6990307879. The cubic root of 6534086899 is about 1869.5121931030.

The spelling of 6534086899 in words is "six billion, five hundred thirty-four million, eighty-six thousand, eight hundred ninety-nine".