14194431971 has 2 divisors, whose sum is σ = 14194431972. Its totient is φ = 14194431970.

The previous prime is 14194431947. The next prime is 14194432003. The reversal of 14194431971 is 17913449141.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14194431971 - 2⁶ = 14194431907 is a prime.

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, 7097215985 + 7097215986.

It is an arithmetic number, because the mean of its divisors is an integer number (7097215986).

Almost surely, 2^14194431971 is an apocalyptic number.

14194431971 is a deficient number, since it is larger than the sum of its proper divisors (1).

14194431971 is an equidigital number, since it uses as much as digits as its factorization.

14194431971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 44.

The spelling of 14194431971 in words is "fourteen billion, one hundred ninety-four million, four hundred thirty-one thousand, nine hundred seventy-one".