2195291473 has 2 divisors, whose sum is σ = 2195291474. Its totient is φ = 2195291472.

The previous prime is 2195291471. The next prime is 2195291477. The reversal of 2195291473 is 3741925912.

2195291473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2183505984 + 11785489 = 46728^2 + 3433^2 .

It is a cyclic number.

It is not a de Polignac number, because 2195291473 - 2¹ = 2195291471 is a prime.

Together with 2195291471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2195291471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097645736 + 1097645737.

It is an arithmetic number, because the mean of its divisors is an integer number (1097645737).

Almost surely, 2^2195291473 is an apocalyptic number.

It is an amenable number.

2195291473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2195291473 is an equidigital number, since it uses as much as digits as its factorization.

2195291473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 136080, while the sum is 43.

The square root of 2195291473 is about 46853.9376466909. The cubic root of 2195291473 is about 1299.6629250339.

The spelling of 2195291473 in words is "two billion, one hundred ninety-five million, two hundred ninety-one thousand, four hundred seventy-three".