2081194583 has 16 divisors (see below), whose sum is σ = 2461831680. Its totient is φ = 1740857184.

The previous prime is 2081194573. The next prime is 2081194631. The reversal of 2081194583 is 3854911802.

It is a cyclic number.

It is not a de Polignac number, because 2081194583 - 2⁴ = 2081194567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2081194583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081194573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177491 + ... + 188852.

It is an arithmetic number, because the mean of its divisors is an integer number (153864480).

Almost surely, 2^2081194583 is an apocalyptic number.

2081194583 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2081194583 is a deficient number, since it is larger than the sum of its proper divisors (380637097).

2081194583 is a wasteful number, since it uses less digits than its factorization.

2081194583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366398.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 2081194583 is about 45620.1116066149. Note that the first 3 decimals coincide. The cubic root of 2081194583 is about 1276.7451857970.

The spelling of 2081194583 in words is "two billion, eighty-one million, one hundred ninety-four thousand, five hundred eighty-three".