452685689 has 2 divisors, whose sum is σ = 452685690. Its totient is φ = 452685688.

The previous prime is 452685677. The next prime is 452685733. The reversal of 452685689 is 986586254.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 241274089 + 211411600 = 15533^2 + 14540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452685689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 452685689.

It is not a weakly prime, because it can be changed into another prime (452685619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226342844 + 226342845.

It is an arithmetic number, because the mean of its divisors is an integer number (226342845).

Almost surely, 2^452685689 is an apocalyptic number.

It is an amenable number.

452685689 is a deficient number, since it is larger than the sum of its proper divisors (1).

452685689 is an equidigital number, since it uses as much as digits as its factorization.

452685689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4147200, while the sum is 53.

The square root of 452685689 is about 21276.4115630432. The cubic root of 452685689 is about 767.8309049967.

The spelling of 452685689 in words is "four hundred fifty-two million, six hundred eighty-five thousand, six hundred eighty-nine".