13462439857 has 2 divisors, whose sum is σ = 13462439858. Its totient is φ = 13462439856.

The previous prime is 13462439777. The next prime is 13462439891. The reversal of 13462439857 is 75893426431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12073834161 + 1388605696 = 109881^2 + 37264^2 .

It is a cyclic number.

It is not a de Polignac number, because 13462439857 - 2²⁷ = 13328222129 is a prime.

It is not a weakly prime, because it can be changed into another prime (13462436857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6731219928 + 6731219929.

It is an arithmetic number, because the mean of its divisors is an integer number (6731219929).

Almost surely, 2^13462439857 is an apocalyptic number.

It is an amenable number.

13462439857 is a deficient number, since it is larger than the sum of its proper divisors (1).

13462439857 is an equidigital number, since it uses as much as digits as its factorization.

13462439857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4354560, while the sum is 52.

The spelling of 13462439857 in words is "thirteen billion, four hundred sixty-two million, four hundred thirty-nine thousand, eight hundred fifty-seven".