2195626297 has 2 divisors, whose sum is σ = 2195626298. Its totient is φ = 2195626296.

The previous prime is 2195626271. The next prime is 2195626327. The reversal of 2195626297 is 7926265912.

2195626297 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., 1741893696 + 453732601 = 41736^2 + 21301^2 .

It is a cyclic number.

It is not a de Polignac number, because 2195626297 - 2¹⁹ = 2195102009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2195626297.

It is not a weakly prime, because it can be changed into another prime (2195626597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097813148 + 1097813149.

It is an arithmetic number, because the mean of its divisors is an integer number (1097813149).

Almost surely, 2^2195626297 is an apocalyptic number.

It is an amenable number.

2195626297 is a deficient number, since it is larger than the sum of its proper divisors (1).

2195626297 is an equidigital number, since it uses as much as digits as its factorization.

2195626297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 49.

The square root of 2195626297 is about 46857.5105719457. The cubic root of 2195626297 is about 1299.7289961720.

The spelling of 2195626297 in words is "two billion, one hundred ninety-five million, six hundred twenty-six thousand, two hundred ninety-seven".