9009048409 has 2 divisors, whose sum is σ = 9009048410. Its totient is φ = 9009048408.

The previous prime is 9009048401. The next prime is 9009048413. The reversal of 9009048409 is 9048409009.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8440464384 + 568584025 = 91872^2 + 23845^2 .

It is a cyclic number.

It is not a de Polignac number, because 9009048409 - 2³ = 9009048401 is a prime.

It is not a weakly prime, because it can be changed into another prime (9009048401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4504524204 + 4504524205.

It is an arithmetic number, because the mean of its divisors is an integer number (4504524205).

Almost surely, 2^9009048409 is an apocalyptic number.

It is an amenable number.

9009048409 is a deficient number, since it is larger than the sum of its proper divisors (1).

9009048409 is an equidigital number, since it uses as much as digits as its factorization.

9009048409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 9009048409 is about 94916.0071273544. The cubic root of 9009048409 is about 2080.7806802795.

The spelling of 9009048409 in words is "nine billion, nine million, forty-eight thousand, four hundred nine".