2195868527 has 2 divisors, whose sum is σ = 2195868528. Its totient is φ = 2195868526.

The previous prime is 2195868523. The next prime is 2195868559. The reversal of 2195868527 is 7258685912.

2195868527 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 is a cyclic number.

It is not a de Polignac number, because 2195868527 - 2² = 2195868523 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2195868523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097934263 + 1097934264.

It is an arithmetic number, because the mean of its divisors is an integer number (1097934264).

Almost surely, 2^2195868527 is an apocalyptic number.

2195868527 is a deficient number, since it is larger than the sum of its proper divisors (1).

2195868527 is an equidigital number, since it uses as much as digits as its factorization.

2195868527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 53.

The square root of 2195868527 is about 46860.0952517171. The cubic root of 2195868527 is about 1299.7767914606.

The spelling of 2195868527 in words is "two billion, one hundred ninety-five million, eight hundred sixty-eight thousand, five hundred twenty-seven".