14311565857 has 2 divisors, whose sum is σ = 14311565858. Its totient is φ = 14311565856.

The previous prime is 14311565837. The next prime is 14311565861. The reversal of 14311565857 is 75856511341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14282879121 + 28686736 = 119511^2 + 5356^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14311565857 is a prime.

It is a super-4 number, since 4×14311565857⁴ (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is not a weakly prime, because it can be changed into another prime (14311565837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7155782928 + 7155782929.

It is an arithmetic number, because the mean of its divisors is an integer number (7155782929).

Almost surely, 2^14311565857 is an apocalyptic number.

It is an amenable number.

14311565857 is a deficient number, since it is larger than the sum of its proper divisors (1).

14311565857 is an equidigital number, since it uses as much as digits as its factorization.

14311565857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504000, while the sum is 46.

The spelling of 14311565857 in words is "fourteen billion, three hundred eleven million, five hundred sixty-five thousand, eight hundred fifty-seven".