1838067009 has 16 divisors (see below), whose sum is σ = 2567366400. Its totient is φ = 1168142976.

The previous prime is 1838067001. The next prime is 1838067029. The reversal of 1838067009 is 9007608381.

It is not a de Polignac number, because 1838067009 - 2³ = 1838067001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1838067001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 126844 + ... + 140589.

It is an arithmetic number, because the mean of its divisors is an integer number (160460400).

Almost surely, 2^1838067009 is an apocalyptic number.

It is an amenable number.

1838067009 is a deficient number, since it is larger than the sum of its proper divisors (729299391).

1838067009 is a wasteful number, since it uses less digits than its factorization.

1838067009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267544.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 1838067009 is about 42872.6837158580. The cubic root of 1838067009 is about 1224.9558799048.

The spelling of 1838067009 in words is "one billion, eight hundred thirty-eight million, sixty-seven thousand, nine".