1050000449 has 2 divisors, whose sum is σ = 1050000450. Its totient is φ = 1050000448.

The previous prime is 1050000431. The next prime is 1050000451. The reversal of 1050000449 is 9440000501.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1040514049 + 9486400 = 32257^2 + 3080^2 .

It is a cyclic number.

It is not a de Polignac number, because 1050000449 - 2²⁰ = 1048951873 is a prime.

It is a super-2 number, since 2×1050000449² = 2205001885800403202, which contains 22 as substring.

Together with 1050000451, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1050000409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525000224 + 525000225.

It is an arithmetic number, because the mean of its divisors is an integer number (525000225).

Almost surely, 2^1050000449 is an apocalyptic number.

It is an amenable number.

1050000449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1050000449 is an equidigital number, since it uses as much as digits as its factorization.

1050000449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1050000449 is about 32403.7104202590. The cubic root of 1050000449 is about 1016.3965016916.

The spelling of 1050000449 in words is "one billion, fifty million, four hundred forty-nine", and thus it is an aban number.