14431438997 has 16 divisors (see below), whose sum is σ = 15151207680. Its totient is φ = 13733491200.

The previous prime is 14431438993. The next prime is 14431439003. The reversal of 14431438997 is 79983413441.

It is not a de Polignac number, because 14431438997 - 2² = 14431438993 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 (14431438993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241997 + ... + 295677.

It is an arithmetic number, because the mean of its divisors is an integer number (946950480).

Almost surely, 2^14431438997 is an apocalyptic number.

It is an amenable number.

14431438997 is a deficient number, since it is larger than the sum of its proper divisors (719768683).

14431438997 is an equidigital number, since it uses as much as digits as its factorization.

14431438997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53884.

The product of its digits is 2612736, while the sum is 53.

The spelling of 14431438997 in words is "fourteen billion, four hundred thirty-one million, four hundred thirty-eight thousand, nine hundred ninety-seven".