14400012971 has 4 divisors (see below), whose sum is σ = 14414457312. Its totient is φ = 14385568632.

The previous prime is 14400012941. The next prime is 14400012997. The reversal of 14400012971 is 17921000441.

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-14400012971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14400012941) 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, 7220675 + ... + 7222668.

It is an arithmetic number, because the mean of its divisors is an integer number (3603614328).

Almost surely, 2^14400012971 is an apocalyptic number.

14400012971 is a deficient number, since it is larger than the sum of its proper divisors (14444341).

14400012971 is an equidigital number, since it uses as much as digits as its factorization.

14400012971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14444340.

The product of its (nonzero) digits is 2016, while the sum is 29.

The spelling of 14400012971 in words is "fourteen billion, four hundred million, twelve thousand, nine hundred seventy-one".