457452919897 has 2 divisors, whose sum is σ = 457452919898. Its totient is φ = 457452919896.

The previous prime is 457452919867. The next prime is 457452919921. The reversal of 457452919897 is 798919254754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 265524814681 + 191928105216 = 515291^2 + 438096^2 .

It is a cyclic number.

It is not a de Polignac number, because 457452919897 - 2³¹ = 455305436249 is a prime.

It is not a weakly prime, because it can be changed into another prime (457452919867) 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, 228726459948 + 228726459949.

It is an arithmetic number, because the mean of its divisors is an integer number (228726459949).

Almost surely, 2^457452919897 is an apocalyptic number.

It is an amenable number.

457452919897 is a deficient number, since it is larger than the sum of its proper divisors (1).

457452919897 is an equidigital number, since it uses as much as digits as its factorization.

457452919897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 228614400, while the sum is 70.

The spelling of 457452919897 in words is "four hundred fifty-seven billion, four hundred fifty-two million, nine hundred nineteen thousand, eight hundred ninety-seven".