14393697661439 has 2 divisors, whose sum is σ = 14393697661440. Its totient is φ = 14393697661438.

The previous prime is 14393697661417. The next prime is 14393697661501. The reversal of 14393697661439 is 93416679639341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14393697661439 - 2⁴⁰ = 13294186033663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14393697661339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7196848830719 + 7196848830720.

It is an arithmetic number, because the mean of its divisors is an integer number (7196848830720).

Almost surely, 2^{14393697661439} is an apocalyptic number.

14393697661439 is a deficient number, since it is larger than the sum of its proper divisors (1).

14393697661439 is an equidigital number, since it uses as much as digits as its factorization.

14393697661439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 476171136, while the sum is 71.

The spelling of 14393697661439 in words is "fourteen trillion, three hundred ninety-three billion, six hundred ninety-seven million, six hundred sixty-one thousand, four hundred thirty-nine".