14223563259491 has 2 divisors, whose sum is σ = 14223563259492. Its totient is φ = 14223563259490.

The previous prime is 14223563259481. The next prime is 14223563259523. The reversal of 14223563259491 is 19495236532241.

It is a weak prime.

It is an emirp because it is prime and its reverse (19495236532241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14223563259491 - 2⁴² = 9825516748387 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (14223563259481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7111781629745 + 7111781629746.

It is an arithmetic number, because the mean of its divisors is an integer number (7111781629746).

Almost surely, 2^{14223563259491} is an apocalyptic number.

14223563259491 is a deficient number, since it is larger than the sum of its proper divisors (1).

14223563259491 is an equidigital number, since it uses as much as digits as its factorization.

14223563259491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13996800, while the sum is 56.

The spelling of 14223563259491 in words is "fourteen trillion, two hundred twenty-three billion, five hundred sixty-three million, two hundred fifty-nine thousand, four hundred ninety-one".