1819530099 has 6 divisors (see below), whose sum is σ = 2628210156. Its totient is φ = 1213020060.

The previous prime is 1819530091. The next prime is 1819530101. The reversal of 1819530099 is 9900359181.

1819530099 is a `hidden beast` number, since 18 + 19 + 530 + 0 + 99 = 666.

It is not a de Polignac number, because 1819530099 - 2³ = 1819530091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1819530091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101084997 + ... + 101085014.

It is an arithmetic number, because the mean of its divisors is an integer number (438035026).

Almost surely, 2^1819530099 is an apocalyptic number.

1819530099 is a deficient number, since it is larger than the sum of its proper divisors (808680057).

1819530099 is a wasteful number, since it uses less digits than its factorization.

1819530099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202170017 (or 202170014 counting only the distinct ones).

The product of its (nonzero) digits is 87480, while the sum is 45.

The square root of 1819530099 is about 42655.9503352111. The cubic root of 1819530099 is about 1220.8240645433.

The spelling of 1819530099 in words is "one billion, eight hundred nineteen million, five hundred thirty thousand, ninety-nine".