1830453009 has 16 divisors (see below), whose sum is σ = 3042831360. Its totient is φ = 950884560.

The previous prime is 1830452879. The next prime is 1830453017. The reversal of 1830453009 is 9003540381.

It is not a de Polignac number, because 1830453009 - 2¹² = 1830448913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1830453029) 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 15 ways as a sum of consecutive naturals, for example, 3961789 + ... + 3962250.

It is an arithmetic number, because the mean of its divisors is an integer number (190176960).

Almost surely, 2^1830453009 is an apocalyptic number.

It is an amenable number.

1830453009 is a deficient number, since it is larger than the sum of its proper divisors (1212378351).

1830453009 is a wasteful number, since it uses less digits than its factorization.

1830453009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7924060.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 1830453009 is about 42783.7937658642. The cubic root of 1830453009 is about 1223.2621218801.

The spelling of 1830453009 in words is "one billion, eight hundred thirty million, four hundred fifty-three thousand, nine".