1812944682 has 12 divisors (see below), whose sum is σ = 3928046850. Its totient is φ = 604314888.

The previous prime is 1812944669. The next prime is 1812944699. The reversal of 1812944682 is 2864492181.

1812944682 is a `hidden beast` number, since 1 + 8 + 129 + 446 + 82 = 666.

1812944682 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1738139481 + 74805201 = 41691^2 + 8649^2 .

It is a super-2 number, since 2×1812944682² = 6573536839984162248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50359557 + ... + 50359592.

Almost surely, 2^1812944682 is an apocalyptic number.

1812944682 is an abundant number, since it is smaller than the sum of its proper divisors (2115102168).

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

1812944682 is a wasteful number, since it uses less digits than its factorization.

1812944682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100719157 (or 100719154 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 1812944682 is about 42578.6881197625. The cubic root of 1812944682 is about 1219.3494430875.

The spelling of 1812944682 in words is "one billion, eight hundred twelve million, nine hundred forty-four thousand, six hundred eighty-two".