14312544305309 has 2 divisors, whose sum is σ = 14312544305310. Its totient is φ = 14312544305308.

The previous prime is 14312544305281. The next prime is 14312544305327. The reversal of 14312544305309 is 90350344521341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7250078604409 + 7062465700900 = 2692597^2 + 2657530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14312544305309 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14312544305309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14312544305369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7156272152654 + 7156272152655.

It is an arithmetic number, because the mean of its divisors is an integer number (7156272152655).

Almost surely, 2^{14312544305309} is an apocalyptic number.

It is an amenable number.

14312544305309 is a deficient number, since it is larger than the sum of its proper divisors (1).

14312544305309 is an equidigital number, since it uses as much as digits as its factorization.

14312544305309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 14312544305309 in words is "fourteen trillion, three hundred twelve billion, five hundred forty-four million, three hundred five thousand, three hundred nine".