13814435680477 has 2 divisors, whose sum is σ = 13814435680478. Its totient is φ = 13814435680476.

The previous prime is 13814435680459. The next prime is 13814435680531. The reversal of 13814435680477 is 77408653441831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8963491100281 + 4850944580196 = 2993909^2 + 2202486^2 .

It is an emirp because it is prime and its reverse (77408653441831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13814435680477 - 2³⁹ = 13264679866589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13814435680447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6907217840238 + 6907217840239.

It is an arithmetic number, because the mean of its divisors is an integer number (6907217840239).

Almost surely, 2^{13814435680477} is an apocalyptic number.

It is an amenable number.

13814435680477 is a deficient number, since it is larger than the sum of its proper divisors (1).

13814435680477 is an equidigital number, since it uses as much as digits as its factorization.

13814435680477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54190080, while the sum is 61.

The spelling of 13814435680477 in words is "thirteen trillion, eight hundred fourteen billion, four hundred thirty-five million, six hundred eighty thousand, four hundred seventy-seven".