14451913731 has 32 divisors (see below), whose sum is σ = 20273575168. Its totient is φ = 9145664640.

The previous prime is 14451913699. The next prime is 14451913781. The reversal of 14451913731 is 13731915441.

14451913731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14451913731 - 2⁵ = 14451913699 is a prime.

It is a super-2 number, since 2×14451913731² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14451913731.

It is not an unprimeable number, because it can be changed into a prime (14451913781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7764741 + ... + 7766601.

It is an arithmetic number, because the mean of its divisors is an integer number (633549224).

Almost surely, 2^14451913731 is an apocalyptic number.

14451913731 is a deficient number, since it is larger than the sum of its proper divisors (5821661437).

14451913731 is a wasteful number, since it uses less digits than its factorization.

14451913731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3571.

The product of its digits is 45360, while the sum is 39.

The spelling of 14451913731 in words is "fourteen billion, four hundred fifty-one million, nine hundred thirteen thousand, seven hundred thirty-one".