1812494324 has 12 divisors (see below), whose sum is σ = 3172684704. Its totient is φ = 906012984.

The previous prime is 1812494291. The next prime is 1812494351. The reversal of 1812494324 is 4234942181.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40514 + ... + 72569.

It is an arithmetic number, because the mean of its divisors is an integer number (264390392).

Almost surely, 2^1812494324 is an apocalyptic number.

It is an amenable number.

1812494324 is a deficient number, since it is larger than the sum of its proper divisors (1360190380).

1812494324 is a wasteful number, since it uses less digits than its factorization.

1812494324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117094 (or 117092 counting only the distinct ones).

The product of its digits is 55296, while the sum is 38.

The square root of 1812494324 is about 42573.3992535245. The cubic root of 1812494324 is about 1219.2484675384.

The spelling of 1812494324 in words is "one billion, eight hundred twelve million, four hundred ninety-four thousand, three hundred twenty-four".