13431063242977 has 2 divisors, whose sum is σ = 13431063242978. Its totient is φ = 13431063242976.

The previous prime is 13431063242929. The next prime is 13431063243023. The reversal of 13431063242977 is 77924236013431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8648251705681 + 4782811537296 = 2940791^2 + 2186964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13431063242977 is a prime.

It is not a weakly prime, because it can be changed into another prime (13431063642977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6715531621488 + 6715531621489.

It is an arithmetic number, because the mean of its divisors is an integer number (6715531621489).

Almost surely, 2^{13431063242977} is an apocalyptic number.

It is an amenable number.

13431063242977 is a deficient number, since it is larger than the sum of its proper divisors (1).

13431063242977 is an equidigital number, since it uses as much as digits as its factorization.

13431063242977 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 52.

The spelling of 13431063242977 in words is "thirteen trillion, four hundred thirty-one billion, sixty-three million, two hundred forty-two thousand, nine hundred seventy-seven".