1449950009 has 8 divisors (see below), whose sum is σ = 1535708160. Its totient is φ = 1364243776.

The previous prime is 1449950003. The next prime is 1449950023. The reversal of 1449950009 is 9000599441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1449950009 - 2⁴ = 1449949993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1449950003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54632 + ... + 76710.

It is an arithmetic number, because the mean of its divisors is an integer number (191963520).

Almost surely, 2^1449950009 is an apocalyptic number.

It is an amenable number.

1449950009 is a deficient number, since it is larger than the sum of its proper divisors (85758151).

1449950009 is a wasteful number, since it uses less digits than its factorization.

1449950009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25959.

The product of its (nonzero) digits is 58320, while the sum is 41.

The square root of 1449950009 is about 38078.2091096732. The cubic root of 1449950009 is about 1131.8381883714.

The spelling of 1449950009 in words is "one billion, four hundred forty-nine million, nine hundred fifty thousand, nine".