2234839891 has 2 divisors, whose sum is σ = 2234839892. Its totient is φ = 2234839890.

The previous prime is 2234839843. The next prime is 2234839897. The reversal of 2234839891 is 1989384322.

2234839891 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2234839891 - 2⁹ = 2234839379 is a prime.

It is not a weakly prime, because it can be changed into another prime (2234839897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1117419945 + 1117419946.

It is an arithmetic number, because the mean of its divisors is an integer number (1117419946).

Almost surely, 2^2234839891 is an apocalyptic number.

2234839891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2234839891 is an equidigital number, since it uses as much as digits as its factorization.

2234839891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 746496, while the sum is 49.

The square root of 2234839891 is about 47274.0932329749. The cubic root of 2234839891 is about 1307.4210457243.

The spelling of 2234839891 in words is "two billion, two hundred thirty-four million, eight hundred thirty-nine thousand, eight hundred ninety-one".