14406971431 has 4 divisors (see below), whose sum is σ = 14469884200. Its totient is φ = 14344058664.

The previous prime is 14406971377. The next prime is 14406971471. The reversal of 14406971431 is 13417960441.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14406971431 - 2²¹ = 14404874279 is a prime.

It is a super-2 number, since 2×14406971431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14406971471) 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, 31456041 + ... + 31456498.

It is an arithmetic number, because the mean of its divisors is an integer number (3617471050).

Almost surely, 2^14406971431 is an apocalyptic number.

14406971431 is a deficient number, since it is larger than the sum of its proper divisors (62912769).

14406971431 is an equidigital number, since it uses as much as digits as its factorization.

14406971431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62912768.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 14406971431 in words is "fourteen billion, four hundred six million, nine hundred seventy-one thousand, four hundred thirty-one".