14249731391 has 8 divisors (see below), whose sum is σ = 16310351904. Its totient is φ = 12195347040.

The previous prime is 14249731361. The next prime is 14249731451. The reversal of 14249731391 is 19313794241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14249731391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14249731361) 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 7 ways as a sum of consecutive naturals, for example, 1554140 + ... + 1563281.

It is an arithmetic number, because the mean of its divisors is an integer number (2038793988).

Almost surely, 2^14249731391 is an apocalyptic number.

14249731391 is a deficient number, since it is larger than the sum of its proper divisors (2060620513).

14249731391 is an equidigital number, since it uses as much as digits as its factorization.

14249731391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118081.

The product of its digits is 163296, while the sum is 44.

The spelling of 14249731391 in words is "fourteen billion, two hundred forty-nine million, seven hundred thirty-one thousand, three hundred ninety-one".