14934323891 has 4 divisors (see below), whose sum is σ = 14977116000. Its totient is φ = 14891531784.

The previous prime is 14934323869. The next prime is 14934323951. The reversal of 14934323891 is 19832343941.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14934323891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14934323291) 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, 21395531 + ... + 21396228.

It is an arithmetic number, because the mean of its divisors is an integer number (3744279000).

Almost surely, 2^14934323891 is an apocalyptic number.

14934323891 is a deficient number, since it is larger than the sum of its proper divisors (42792109).

14934323891 is an equidigital number, since it uses as much as digits as its factorization.

14934323891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42792108.

The product of its digits is 559872, while the sum is 47.

The spelling of 14934323891 in words is "fourteen billion, nine hundred thirty-four million, three hundred twenty-three thousand, eight hundred ninety-one".