9149449 has 2 divisors, whose sum is σ = 9149450. Its totient is φ = 9149448.

The previous prime is 9149447. The next prime is 9149477. The reversal of 9149449 is 9449419.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7868025 + 1281424 = 2805^2 + 1132^2 .

It is a cyclic number.

It is not a de Polignac number, because 9149449 - 2¹ = 9149447 is a prime.

Together with 9149447, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9149447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4574724 + 4574725.

It is an arithmetic number, because the mean of its divisors is an integer number (4574725).

Almost surely, 2^9149449 is an apocalyptic number.

It is an amenable number.

9149449 is a deficient number, since it is larger than the sum of its proper divisors (1).

9149449 is an equidigital number, since it uses as much as digits as its factorization.

9149449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46656, while the sum is 40.

The square root of 9149449 is about 3024.8056135891. The cubic root of 9149449 is about 209.1534247334.

The spelling of 9149449 in words is "nine million, one hundred forty-nine thousand, four hundred forty-nine".