13456464457 has 2 divisors, whose sum is σ = 13456464458. Its totient is φ = 13456464456.

The previous prime is 13456464403. The next prime is 13456464467. The reversal of 13456464457 is 75446465431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9581277456 + 3875187001 = 97884^2 + 62251^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13456464457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13456464457.

It is not a weakly prime, because it can be changed into another prime (13456464467) 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, 6728232228 + 6728232229.

It is an arithmetic number, because the mean of its divisors is an integer number (6728232229).

Almost surely, 2^13456464457 is an apocalyptic number.

It is an amenable number.

13456464457 is a deficient number, since it is larger than the sum of its proper divisors (1).

13456464457 is an equidigital number, since it uses as much as digits as its factorization.

13456464457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4838400, while the sum is 49.

The spelling of 13456464457 in words is "thirteen billion, four hundred fifty-six million, four hundred sixty-four thousand, four hundred fifty-seven".