6460474715257 has 2 divisors, whose sum is σ = 6460474715258. Its totient is φ = 6460474715256.

The previous prime is 6460474715237. The next prime is 6460474715267. The reversal of 6460474715257 is 7525174740646.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5800852982016 + 659621733241 = 2408496^2 + 812171^2 .

It is a cyclic number.

It is not a de Polignac number, because 6460474715257 - 2³⁹ = 5910718901369 is a prime.

It is not a weakly prime, because it can be changed into another prime (6460474715237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3230237357628 + 3230237357629.

It is an arithmetic number, because the mean of its divisors is an integer number (3230237357629).

Almost surely, 2^{6460474715257} is an apocalyptic number.

It is an amenable number.

6460474715257 is a deficient number, since it is larger than the sum of its proper divisors (1).

6460474715257 is an equidigital number, since it uses as much as digits as its factorization.

6460474715257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39513600, while the sum is 58.

The spelling of 6460474715257 in words is "six trillion, four hundred sixty billion, four hundred seventy-four million, seven hundred fifteen thousand, two hundred fifty-seven".