1814690853 has 12 divisors (see below), whose sum is σ = 2622505600. Its totient is φ = 1209200616.

The previous prime is 1814690849. The next prime is 1814690861. The reversal of 1814690853 is 3580964181.

1814690853 is a `hidden beast` number, since 181 + 469 + 0 + 8 + 5 + 3 = 666.

1814690853 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1814690853 - 2² = 1814690849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1814690799 and 1814690808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1814690753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29653 + ... + 67146.

Almost surely, 2^1814690853 is an apocalyptic number.

It is an amenable number.

1814690853 is a deficient number, since it is larger than the sum of its proper divisors (807814747).

1814690853 is a wasteful number, since it uses less digits than its factorization.

1814690853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98888 (or 98885 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The square root of 1814690853 is about 42599.1884077619. The cubic root of 1814690853 is about 1219.7407970788.

The spelling of 1814690853 in words is "one billion, eight hundred fourteen million, six hundred ninety thousand, eight hundred fifty-three".