14861975899 has 4 divisors (see below), whose sum is σ = 14862836664. Its totient is φ = 14861115136.

The previous prime is 14861975893. The next prime is 14861975911. The reversal of 14861975899 is 99857916841.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14861975899 - 2¹⁹ = 14861451611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14861975893) 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, 403942 + ... + 439195.

It is an arithmetic number, because the mean of its divisors is an integer number (3715709166).

Almost surely, 2^14861975899 is an apocalyptic number.

14861975899 is a deficient number, since it is larger than the sum of its proper divisors (860765).

14861975899 is an equidigital number, since it uses as much as digits as its factorization.

14861975899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860764.

The product of its digits is 39191040, while the sum is 67.

The spelling of 14861975899 in words is "fourteen billion, eight hundred sixty-one million, nine hundred seventy-five thousand, eight hundred ninety-nine".