2195565281519 has 2 divisors, whose sum is σ = 2195565281520. Its totient is φ = 2195565281518.

The previous prime is 2195565281501. The next prime is 2195565281549. The reversal of 2195565281519 is 9151825655912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2195565281519 - 2³² = 2191270314223 is a prime.

It is a super-2 number, since 2×2195565281519² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2195565281549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097782640759 + 1097782640760.

It is an arithmetic number, because the mean of its divisors is an integer number (1097782640760).

Almost surely, 2^{2195565281519} is an apocalyptic number.

2195565281519 is a deficient number, since it is larger than the sum of its proper divisors (1).

2195565281519 is an equidigital number, since it uses as much as digits as its factorization.

2195565281519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720000, while the sum is 59.

The spelling of 2195565281519 in words is "two trillion, one hundred ninety-five billion, five hundred sixty-five million, two hundred eighty-one thousand, five hundred nineteen".