457647196309 has 2 divisors, whose sum is σ = 457647196310. Its totient is φ = 457647196308.

The previous prime is 457647196247. The next prime is 457647196343. The reversal of 457647196309 is 903691746754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 404610488100 + 53036708209 = 636090^2 + 230297^2 .

It is a cyclic number.

It is not a de Polignac number, because 457647196309 - 2¹⁵ = 457647163541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457647196399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228823598154 + 228823598155.

It is an arithmetic number, because the mean of its divisors is an integer number (228823598155).

Almost surely, 2^457647196309 is an apocalyptic number.

It is an amenable number.

457647196309 is a deficient number, since it is larger than the sum of its proper divisors (1).

457647196309 is an equidigital number, since it uses as much as digits as its factorization.

457647196309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34292160, while the sum is 61.

The spelling of 457647196309 in words is "four hundred fifty-seven billion, six hundred forty-seven million, one hundred ninety-six thousand, three hundred nine".