14421936391 has 2 divisors, whose sum is σ = 14421936392. Its totient is φ = 14421936390.

The previous prime is 14421936337. The next prime is 14421936413. The reversal of 14421936391 is 19363912441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 14421936391 - 2¹⁷ = 14421805319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14421936311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7210968195 + 7210968196.

It is an arithmetic number, because the mean of its divisors is an integer number (7210968196).

Almost surely, 2^14421936391 is an apocalyptic number.

14421936391 is a deficient number, since it is larger than the sum of its proper divisors (1).

14421936391 is an equidigital number, since it uses as much as digits as its factorization.

14421936391 is an evil number, because the sum of its binary digits is even.

The product of its digits is 139968, while the sum is 43.

The spelling of 14421936391 in words is "fourteen billion, four hundred twenty-one million, nine hundred thirty-six thousand, three hundred ninety-one".