14247291389 has 4 divisors (see below), whose sum is σ = 14248952256. Its totient is φ = 14245630524.

The previous prime is 14247291353. The next prime is 14247291413. The reversal of 14247291389 is 98319274241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14247291389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14247291329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817499 + ... + 834744.

It is an arithmetic number, because the mean of its divisors is an integer number (3562238064).

Almost surely, 2^14247291389 is an apocalyptic number.

It is an amenable number.

14247291389 is a deficient number, since it is larger than the sum of its proper divisors (1660867).

14247291389 is an equidigital number, since it uses as much as digits as its factorization.

14247291389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660866.

The product of its digits is 870912, while the sum is 50.

The spelling of 14247291389 in words is "fourteen billion, two hundred forty-seven million, two hundred ninety-one thousand, three hundred eighty-nine".