1452464809 has 2 divisors, whose sum is σ = 1452464810. Its totient is φ = 1452464808.

The previous prime is 1452464779. The next prime is 1452464813. The reversal of 1452464809 is 9084642541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1258475625 + 193989184 = 35475^2 + 13928^2 .

It is a cyclic number.

It is not a de Polignac number, because 1452464809 - 2¹⁷ = 1452333737 is a prime.

It is not a weakly prime, because it can be changed into another prime (1452464509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 726232404 + 726232405.

It is an arithmetic number, because the mean of its divisors is an integer number (726232405).

Almost surely, 2^1452464809 is an apocalyptic number.

It is an amenable number.

1452464809 is a deficient number, since it is larger than the sum of its proper divisors (1).

1452464809 is an equidigital number, since it uses as much as digits as its factorization.

1452464809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 1452464809 is about 38111.2163148856. The cubic root of 1452464809 is about 1132.4921655591.

The spelling of 1452464809 in words is "one billion, four hundred fifty-two million, four hundred sixty-four thousand, eight hundred nine".