453203040217 has 2 divisors, whose sum is σ = 453203040218. Its totient is φ = 453203040216.

The previous prime is 453203040203. The next prime is 453203040281. The reversal of 453203040217 is 712040302354.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 324084272656 + 129118767561 = 569284^2 + 359331^2 .

It is a cyclic number.

It is not a de Polignac number, because 453203040217 - 2⁷ = 453203040089 is a prime.

It is not a weakly prime, because it can be changed into another prime (453203047217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226601520108 + 226601520109.

It is an arithmetic number, because the mean of its divisors is an integer number (226601520109).

Almost surely, 2^453203040217 is an apocalyptic number.

It is an amenable number.

453203040217 is a deficient number, since it is larger than the sum of its proper divisors (1).

453203040217 is an equidigital number, since it uses as much as digits as its factorization.

453203040217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 31.

The spelling of 453203040217 in words is "four hundred fifty-three billion, two hundred three million, forty thousand, two hundred seventeen".