14426426393857 has 2 divisors, whose sum is σ = 14426426393858. Its totient is φ = 14426426393856.

The previous prime is 14426426393849. The next prime is 14426426393927. The reversal of 14426426393857 is 75839362462441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14415052384656 + 11374009201 = 3796716^2 + 106649^2 .

It is a cyclic number.

It is not a de Polignac number, because 14426426393857 - 2³ = 14426426393849 is a prime.

It is not a weakly prime, because it can be changed into another prime (14426426393257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7213213196928 + 7213213196929.

It is an arithmetic number, because the mean of its divisors is an integer number (7213213196929).

Almost surely, 2^{14426426393857} is an apocalyptic number.

It is an amenable number.

14426426393857 is a deficient number, since it is larger than the sum of its proper divisors (1).

14426426393857 is an equidigital number, since it uses as much as digits as its factorization.

14426426393857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209018880, while the sum is 64.

The spelling of 14426426393857 in words is "fourteen trillion, four hundred twenty-six billion, four hundred twenty-six million, three hundred ninety-three thousand, eight hundred fifty-seven".