1848054091 has 4 divisors (see below), whose sum is σ = 1990212112. Its totient is φ = 1705896072.

The previous prime is 1848054083. The next prime is 1848054113. The reversal of 1848054091 is 1904508481.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1904508481 = 383 ⋅4972607.

It is a cyclic number.

It is not a de Polignac number, because 1848054091 - 2³ = 1848054083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1848054001) 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, 71078991 + ... + 71079016.

It is an arithmetic number, because the mean of its divisors is an integer number (497553028).

Almost surely, 2^1848054091 is an apocalyptic number.

1848054091 is a deficient number, since it is larger than the sum of its proper divisors (142158021).

1848054091 is a wasteful number, since it uses less digits than its factorization.

1848054091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142158020.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 1848054091 is about 42988.9996510735. Note that the first 3 decimals coincide. The cubic root of 1848054091 is about 1227.1704608007.

The spelling of 1848054091 in words is "one billion, eight hundred forty-eight million, fifty-four thousand, ninety-one".