453750117209 has 2 divisors, whose sum is σ = 453750117210. Its totient is φ = 453750117208.

The previous prime is 453750117193. The next prime is 453750117217. The reversal of 453750117209 is 902711057354.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 304312206025 + 149437911184 = 551645^2 + 386572^2 .

It is a cyclic number.

It is not a de Polignac number, because 453750117209 - 2⁴ = 453750117193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 453750117209.

It is not a weakly prime, because it can be changed into another prime (453750117809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226875058604 + 226875058605.

It is an arithmetic number, because the mean of its divisors is an integer number (226875058605).

Almost surely, 2^453750117209 is an apocalyptic number.

It is an amenable number.

453750117209 is a deficient number, since it is larger than the sum of its proper divisors (1).

453750117209 is an equidigital number, since it uses as much as digits as its factorization.

453750117209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 264600, while the sum is 44.

The spelling of 453750117209 in words is "four hundred fifty-three billion, seven hundred fifty million, one hundred seventeen thousand, two hundred nine".