14194431943 has 2 divisors, whose sum is σ = 14194431944. Its totient is φ = 14194431942.

The previous prime is 14194431941. The next prime is 14194431947. The reversal of 14194431943 is 34913449141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14194431943 - 2¹ = 14194431941 is a prime.

Together with 14194431941, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 14194431943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14194431941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7097215971 + 7097215972.

It is an arithmetic number, because the mean of its divisors is an integer number (7097215972).

Almost surely, 2^14194431943 is an apocalyptic number.

14194431943 is a deficient number, since it is larger than the sum of its proper divisors (1).

14194431943 is an equidigital number, since it uses as much as digits as its factorization.

14194431943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 43.

The spelling of 14194431943 in words is "fourteen billion, one hundred ninety-four million, four hundred thirty-one thousand, nine hundred forty-three".