14344577854487 has 2 divisors, whose sum is σ = 14344577854488. Its totient is φ = 14344577854486.

The previous prime is 14344577854441. The next prime is 14344577854577. The reversal of 14344577854487 is 78445877544341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14344577854487 - 2²⁶ = 14344510745623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14344577854487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14344577854417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7172288927243 + 7172288927244.

It is an arithmetic number, because the mean of its divisors is an integer number (7172288927244).

Almost surely, 2^{14344577854487} is an apocalyptic number.

14344577854487 is a deficient number, since it is larger than the sum of its proper divisors (1).

14344577854487 is an equidigital number, since it uses as much as digits as its factorization.

14344577854487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1685913600, while the sum is 71.

The spelling of 14344577854487 in words is "fourteen trillion, three hundred forty-four billion, five hundred seventy-seven million, eight hundred fifty-four thousand, four hundred eighty-seven".