2195515373 has 2 divisors, whose sum is σ = 2195515374. Its totient is φ = 2195515372.

The previous prime is 2195515331. The next prime is 2195515403. The reversal of 2195515373 is 3735155912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1719097444 + 476417929 = 41462^2 + 21827^2 .

It is a cyclic number.

It is not a de Polignac number, because 2195515373 - 2¹² = 2195511277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2195515373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2195515313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1097757686 + 1097757687.

It is an arithmetic number, because the mean of its divisors is an integer number (1097757687).

Almost surely, 2^2195515373 is an apocalyptic number.

It is an amenable number.

2195515373 is a deficient number, since it is larger than the sum of its proper divisors (1).

2195515373 is an equidigital number, since it uses as much as digits as its factorization.

2195515373 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141750, while the sum is 41.

The square root of 2195515373 is about 46856.3269260406. The cubic root of 2195515373 is about 1299.7071081778.

The spelling of 2195515373 in words is "two billion, one hundred ninety-five million, five hundred fifteen thousand, three hundred seventy-three".