1818912683 has 12 divisors (see below), whose sum is σ = 2188841040. Its totient is φ = 1505305872.

The previous prime is 1818912661. The next prime is 1818912691. The reversal of 1818912683 is 3862198181.

It is not a de Polignac number, because 1818912683 - 2¹² = 1818908587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1818912283) 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, 638591 + ... + 641432.

It is an arithmetic number, because the mean of its divisors is an integer number (182403420).

Almost surely, 2^1818912683 is an apocalyptic number.

1818912683 is a deficient number, since it is larger than the sum of its proper divisors (369928357).

1818912683 is a wasteful number, since it uses less digits than its factorization.

1818912683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280066 (or 1280059 counting only the distinct ones).

The product of its digits is 165888, while the sum is 47.

The square root of 1818912683 is about 42648.7125597010. The cubic root of 1818912683 is about 1220.6859626631.

The spelling of 1818912683 in words is "one billion, eight hundred eighteen million, nine hundred twelve thousand, six hundred eighty-three".