14420532320639 has 2 divisors, whose sum is σ = 14420532320640. Its totient is φ = 14420532320638.

The previous prime is 14420532320611. The next prime is 14420532320641. The reversal of 14420532320639 is 93602323502441.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14420532320639 is a prime.

Together with 14420532320641, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14420532320639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14420532320609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7210266160319 + 7210266160320.

It is an arithmetic number, because the mean of its divisors is an integer number (7210266160320).

Almost surely, 2^{14420532320639} is an apocalyptic number.

14420532320639 is a deficient number, since it is larger than the sum of its proper divisors (1).

14420532320639 is an equidigital number, since it uses as much as digits as its factorization.

14420532320639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 14420532320639 in words is "fourteen trillion, four hundred twenty billion, five hundred thirty-two million, three hundred twenty thousand, six hundred thirty-nine".