9002208409 has 2 divisors, whose sum is σ = 9002208410. Its totient is φ = 9002208408.

The previous prime is 9002208367. The next prime is 9002208463. The reversal of 9002208409 is 9048022009.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8385431184 + 616777225 = 91572^2 + 24835^2 .

It is a cyclic number.

It is not a de Polignac number, because 9002208409 - 2¹⁹ = 9001684121 is a prime.

It is a super-2 number, since 2×9002208409² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9002200409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4501104204 + 4501104205.

It is an arithmetic number, because the mean of its divisors is an integer number (4501104205).

Almost surely, 2^9002208409 is an apocalyptic number.

It is an amenable number.

9002208409 is a deficient number, since it is larger than the sum of its proper divisors (1).

9002208409 is an equidigital number, since it uses as much as digits as its factorization.

9002208409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 9002208409 is about 94879.9684285361. The cubic root of 9002208409 is about 2080.2539452799.

The spelling of 9002208409 in words is "nine billion, two million, two hundred eight thousand, four hundred nine".