453750117809 has 2 divisors, whose sum is σ = 453750117810. Its totient is φ = 453750117808.

The previous prime is 453750117721. The next prime is 453750117841. The reversal of 453750117809 is 908711057354.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 294900044209 + 158850073600 = 543047^2 + 398560^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-453750117809 is a prime.

It is not a weakly prime, because it can be changed into another prime (453750117209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226875058904 + 226875058905.

It is an arithmetic number, because the mean of its divisors is an integer number (226875058905).

Almost surely, 2^453750117809 is an apocalyptic number.

It is an amenable number.

453750117809 is a deficient number, since it is larger than the sum of its proper divisors (1).

453750117809 is an equidigital number, since it uses as much as digits as its factorization.

453750117809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 453750117809 in words is "four hundred fifty-three billion, seven hundred fifty million, one hundred seventeen thousand, eight hundred nine".