1812374196 has 12 divisors (see below), whose sum is σ = 4228873152. Its totient is φ = 604124728.

The previous prime is 1812374183. The next prime is 1812374203. The reversal of 1812374196 is 6914732181.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75515580 + ... + 75515603.

It is an arithmetic number, because the mean of its divisors is an integer number (352406096).

Almost surely, 2^1812374196 is an apocalyptic number.

It is an amenable number.

1812374196 is an abundant number, since it is smaller than the sum of its proper divisors (2416498956).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1812374196 is a wasteful number, since it uses less digits than its factorization.

1812374196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151031190 (or 151031188 counting only the distinct ones).

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

The square root of 1812374196 is about 42571.9883961273. The cubic root of 1812374196 is about 1219.2215306052.

The spelling of 1812374196 in words is "one billion, eight hundred twelve million, three hundred seventy-four thousand, one hundred ninety-six".