1813133496 has 32 divisors (see below), whose sum is σ = 4655345040. Its totient is φ = 588043008.

The previous prime is 1813133489. The next prime is 1813133519. The reversal of 1813133496 is 6943313181.

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 7 ways as a sum of consecutive naturals, for example, 1020021 + ... + 1021796.

Almost surely, 2^1813133496 is an apocalyptic number.

It is an amenable number.

1813133496 is an abundant number, since it is smaller than the sum of its proper divisors (2842211544).

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

1813133496 is a wasteful number, since it uses less digits than its factorization.

1813133496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041863 (or 2041859 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 1813133496 is about 42580.9052980324. The cubic root of 1813133496 is about 1219.3917724272.

The spelling of 1813133496 in words is "one billion, eight hundred thirteen million, one hundred thirty-three thousand, four hundred ninety-six".