14531444536639 has 2 divisors, whose sum is σ = 14531444536640. Its totient is φ = 14531444536638.

The previous prime is 14531444536603. The next prime is 14531444536699. The reversal of 14531444536639 is 93663544413541.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14531444536639 is a prime.

It is a super-2 number, since 2×14531444536639² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14531444536699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7265722268319 + 7265722268320.

It is an arithmetic number, because the mean of its divisors is an integer number (7265722268320).

Almost surely, 2^{14531444536639} is an apocalyptic number.

14531444536639 is a deficient number, since it is larger than the sum of its proper divisors (1).

14531444536639 is an equidigital number, since it uses as much as digits as its factorization.

14531444536639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55987200, while the sum is 58.

The spelling of 14531444536639 in words is "fourteen trillion, five hundred thirty-one billion, four hundred forty-four million, five hundred thirty-six thousand, six hundred thirty-nine".