1814901812 has 12 divisors (see below), whose sum is σ = 3343240320. Its totient is φ = 859690296.

The previous prime is 1814901811. The next prime is 1814901857. The reversal of 1814901812 is 2181094181.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1814901811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11940068 + ... + 11940219.

It is an arithmetic number, because the mean of its divisors is an integer number (278603360).

Almost surely, 2^1814901812 is an apocalyptic number.

It is an amenable number.

1814901812 is a deficient number, since it is larger than the sum of its proper divisors (1528338508).

1814901812 is a wasteful number, since it uses less digits than its factorization.

1814901812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23880310 (or 23880308 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 35.

The square root of 1814901812 is about 42601.6644275784. The cubic root of 1814901812 is about 1219.7880604695.

Adding to 1814901812 its reverse (2181094181), we get a palindrome (3995995993).

The spelling of 1814901812 in words is "one billion, eight hundred fourteen million, nine hundred one thousand, eight hundred twelve".