2119221239 has 2 divisors, whose sum is σ = 2119221240. Its totient is φ = 2119221238.

The previous prime is 2119221199. The next prime is 2119221257. The reversal of 2119221239 is 9321229112.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2119221239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2119221739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059610619 + 1059610620.

It is an arithmetic number, because the mean of its divisors is an integer number (1059610620).

Almost surely, 2^2119221239 is an apocalyptic number.

2119221239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2119221239 is an equidigital number, since it uses as much as digits as its factorization.

2119221239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 32.

The square root of 2119221239 is about 46035.0001520582. Note that the first 3 decimals coincide. The cubic root of 2119221239 is about 1284.4743395430.

The spelling of 2119221239 in words is "two billion, one hundred nineteen million, two hundred twenty-one thousand, two hundred thirty-nine".