1813078712 has 32 divisors (see below), whose sum is σ = 3485401920. Its totient is φ = 883676160.

The previous prime is 1813078711. The next prime is 1813078733. The reversal of 1813078712 is 2178703181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1813078711) by changing a digit.

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, 748928 + ... + 751344.

It is an arithmetic number, because the mean of its divisors is an integer number (108918810).

Almost surely, 2^1813078712 is an apocalyptic number.

It is an amenable number.

1813078712 is a deficient number, since it is larger than the sum of its proper divisors (1672323208).

1813078712 is a wasteful number, since it uses less digits than its factorization.

1813078712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4751 (or 4747 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 38.

The square root of 1813078712 is about 42580.2620001333. The cubic root of 1813078712 is about 1219.3794909576.

The spelling of 1813078712 in words is "one billion, eight hundred thirteen million, seventy-eight thousand, seven hundred twelve".