4431423312287 has 2 divisors, whose sum is σ = 4431423312288. Its totient is φ = 4431423312286.

The previous prime is 4431423312247. The next prime is 4431423312289. The reversal of 4431423312287 is 7822133241344.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4431423312287 is a prime.

Together with 4431423312289, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4431423312289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2215711656143 + 2215711656144.

It is an arithmetic number, because the mean of its divisors is an integer number (2215711656144).

Almost surely, 2^{4431423312287} is an apocalyptic number.

4431423312287 is a deficient number, since it is larger than the sum of its proper divisors (1).

4431423312287 is an equidigital number, since it uses as much as digits as its factorization.

4431423312287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 774144, while the sum is 44.

The spelling of 4431423312287 in words is "four trillion, four hundred thirty-one billion, four hundred twenty-three million, three hundred twelve thousand, two hundred eighty-seven".