8854245409 has 9 divisors (see below), whose sum is σ = 8984167833. Its totient is φ = 8726179392.

The previous prime is 8854245397. The next prime is 8854245431. The reversal of 8854245409 is 9045424588.

The square root of 8854245409 is 94097.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1367150625 + 7487094784 = 36975^2 + 86528^2 .

It is not a de Polignac number, because 8854245409 - 2⁵ = 8854245377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8854245509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6868437 + ... + 6869725.

Almost surely, 2^8854245409 is an apocalyptic number.

8854245409 is the 94097-th square number.

8854245409 is the 47049-th centered octagonal number.

It is an amenable number.

8854245409 is a deficient number, since it is larger than the sum of its proper divisors (129922424).

8854245409 is an frugal number, since it uses more digits than its factorization.

8854245409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724 (or 1362 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 49.

The cubic root of 8854245409 is about 2068.7936999084.

Multiplying 8854245409 by its sum of digits (49), we get a square (433858025041 = 658679²).

The spelling of 8854245409 in words is "eight billion, eight hundred fifty-four million, two hundred forty-five thousand, four hundred nine".