457615864499 has 2 divisors, whose sum is σ = 457615864500. Its totient is φ = 457615864498.

The previous prime is 457615864493. The next prime is 457615864507. The reversal of 457615864499 is 994468516754.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 457615864499 - 2²⁰ = 457614815923 is a prime.

It is not a weakly prime, because it can be changed into another prime (457615864493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228807932249 + 228807932250.

It is an arithmetic number, because the mean of its divisors is an integer number (228807932250).

Almost surely, 2^457615864499 is an apocalyptic number.

457615864499 is a deficient number, since it is larger than the sum of its proper divisors (1).

457615864499 is an equidigital number, since it uses as much as digits as its factorization.

457615864499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 261273600, while the sum is 68.

The spelling of 457615864499 in words is "four hundred fifty-seven billion, six hundred fifteen million, eight hundred sixty-four thousand, four hundred ninety-nine".