2214381791 has 2 divisors, whose sum is σ = 2214381792. Its totient is φ = 2214381790.

The previous prime is 2214381769. The next prime is 2214381811. The reversal of 2214381791 is 1971834122.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2214381791 - 2⁶ = 2214381727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2214381721) 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 as a sum of consecutive naturals, namely, 1107190895 + 1107190896.

It is an arithmetic number, because the mean of its divisors is an integer number (1107190896).

Almost surely, 2^2214381791 is an apocalyptic number.

2214381791 is a deficient number, since it is larger than the sum of its proper divisors (1).

2214381791 is an equidigital number, since it uses as much as digits as its factorization.

2214381791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 38.

The square root of 2214381791 is about 47057.2182667017. The cubic root of 2214381791 is about 1303.4193593980.

The spelling of 2214381791 in words is "two billion, two hundred fourteen million, three hundred eighty-one thousand, seven hundred ninety-one".