1830009681 has 12 divisors (see below), whose sum is σ = 2782471120. Its totient is φ = 1155795480.

The previous prime is 1830009673. The next prime is 1830009683. The reversal of 1830009681 is 1869000381.

It is not a de Polignac number, because 1830009681 - 2³ = 1830009673 is a prime.

It is a super-2 number, since 2×1830009681² = 6697870865107443522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1830009683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5350735 + ... + 5351076.

Almost surely, 2^1830009681 is an apocalyptic number.

It is an amenable number.

1830009681 is a deficient number, since it is larger than the sum of its proper divisors (952461439).

1830009681 is a wasteful number, since it uses less digits than its factorization.

1830009681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10701836 (or 10701833 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 1830009681 is about 42778.6124249022. The cubic root of 1830009681 is about 1223.1633575970.

The spelling of 1830009681 in words is "one billion, eight hundred thirty million, nine thousand, six hundred eighty-one".