2194087271 has 2 divisors, whose sum is σ = 2194087272. Its totient is φ = 2194087270.

The previous prime is 2194087237. The next prime is 2194087289. The reversal of 2194087271 is 1727804912.

2194087271 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 2194087271 - 2²² = 2189892967 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2194087171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097043635 + 1097043636.

It is an arithmetic number, because the mean of its divisors is an integer number (1097043636).

Almost surely, 2^2194087271 is an apocalyptic number.

2194087271 is a deficient number, since it is larger than the sum of its proper divisors (1).

2194087271 is an equidigital number, since it uses as much as digits as its factorization.

2194087271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 41.

The square root of 2194087271 is about 46841.0852884516. The cubic root of 2194087271 is about 1299.4252431642.

The spelling of 2194087271 in words is "two billion, one hundred ninety-four million, eighty-seven thousand, two hundred seventy-one".