459545731817 has 2 divisors, whose sum is σ = 459545731818. Its totient is φ = 459545731816.

The previous prime is 459545731793. The next prime is 459545731823. The reversal of 459545731817 is 718137545954.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 343086661696 + 116459070121 = 585736^2 + 341261^2 .

It is a cyclic number.

It is not a de Polignac number, because 459545731817 - 2²⁴ = 459528954601 is a prime.

It is a super-2 number, since 2×459545731817² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (459545731837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 229772865908 + 229772865909.

It is an arithmetic number, because the mean of its divisors is an integer number (229772865909).

Almost surely, 2^459545731817 is an apocalyptic number.

It is an amenable number.

459545731817 is a deficient number, since it is larger than the sum of its proper divisors (1).

459545731817 is an equidigital number, since it uses as much as digits as its factorization.

459545731817 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168000, while the sum is 59.

The spelling of 459545731817 in words is "four hundred fifty-nine billion, five hundred forty-five million, seven hundred thirty-one thousand, eight hundred seventeen".