1813840712 has 32 divisors (see below), whose sum is σ = 3440249280. Its totient is φ = 896473920.

The previous prime is 1813840667. The next prime is 1813840729. The reversal of 1813840712 is 2170483181.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 536387 + ... + 539757.

It is an arithmetic number, because the mean of its divisors is an integer number (107507790).

Almost surely, 2^1813840712 is an apocalyptic number.

It is an amenable number.

1813840712 is a deficient number, since it is larger than the sum of its proper divisors (1626408568).

1813840712 is a wasteful number, since it uses less digits than its factorization.

1813840712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4133 (or 4129 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 1813840712 is about 42589.2088679750. The cubic root of 1813840712 is about 1219.5502938073.

The spelling of 1813840712 in words is "one billion, eight hundred thirteen million, eight hundred forty thousand, seven hundred twelve".