1845918898 has 16 divisors (see below), whose sum is σ = 2808000000. Its totient is φ = 909952992.

The previous prime is 1845918869. The next prime is 1845918911. The reversal of 1845918898 is 8988195481.

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, 105478 + ... + 121726.

It is an arithmetic number, because the mean of its divisors is an integer number (175500000).

Almost surely, 2^1845918898 is an apocalyptic number.

1845918898 is a deficient number, since it is larger than the sum of its proper divisors (962081102).

1845918898 is a wasteful number, since it uses less digits than its factorization.

1845918898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17049.

The product of its digits is 6635520, while the sum is 61.

The square root of 1845918898 is about 42964.1582950254. The cubic root of 1845918898 is about 1226.6976651974.

The spelling of 1845918898 in words is "one billion, eight hundred forty-five million, nine hundred eighteen thousand, eight hundred ninety-eight".