2175095144449 has 2 divisors, whose sum is σ = 2175095144450. Its totient is φ = 2175095144448.

The previous prime is 2175095144329. The next prime is 2175095144477. The reversal of 2175095144449 is 9444415905712.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2172180764224 + 2914380225 = 1473832^2 + 53985^2 .

It is a cyclic number.

It is not a de Polignac number, because 2175095144449 - 2⁹ = 2175095143937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2175095144449.

It is not a weakly prime, because it can be changed into another prime (2175095144479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1087547572224 + 1087547572225.

It is an arithmetic number, because the mean of its divisors is an integer number (1087547572225).

Almost surely, 2^{2175095144449} is an apocalyptic number.

It is an amenable number.

2175095144449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2175095144449 is an equidigital number, since it uses as much as digits as its factorization.

2175095144449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7257600, while the sum is 55.

The spelling of 2175095144449 in words is "two trillion, one hundred seventy-five billion, ninety-five million, one hundred forty-four thousand, four hundred forty-nine".