2081914383 has 32 divisors (see below), whose sum is σ = 2863650816. Its totient is φ = 1344945888.

The previous prime is 2081914381. The next prime is 2081914451. The reversal of 2081914383 is 3834191802.

It is a Cunningham number, because it is equal to 45628²-1.

It is not a de Polignac number, because 2081914383 - 2¹ = 2081914381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081914381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4699360 + ... + 4699802.

It is an arithmetic number, because the mean of its divisors is an integer number (89489088).

Almost surely, 2^2081914383 is an apocalyptic number.

2081914383 is a deficient number, since it is larger than the sum of its proper divisors (781736433).

2081914383 is a wasteful number, since it uses less digits than its factorization.

2081914383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 843.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 2081914383 is about 45627.9999890418. Note that the first 4 decimals coincide. The cubic root of 2081914383 is about 1276.8923601273.

The spelling of 2081914383 in words is "two billion, eighty-one million, nine hundred fourteen thousand, three hundred eighty-three".