215041244273 has 2 divisors, whose sum is σ = 215041244274. Its totient is φ = 215041244272.

The previous prime is 215041244189. The next prime is 215041244311. The reversal of 215041244273 is 372442140512.

215041244273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 209881264384 + 5159979889 = 458128^2 + 71833^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-215041244273 is a prime.

It is not a weakly prime, because it can be changed into another prime (215061244273) 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, 107520622136 + 107520622137.

It is an arithmetic number, because the mean of its divisors is an integer number (107520622137).

Almost surely, 2^215041244273 is an apocalyptic number.

It is an amenable number.

215041244273 is a deficient number, since it is larger than the sum of its proper divisors (1).

215041244273 is an equidigital number, since it uses as much as digits as its factorization.

215041244273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 35.

Adding to 215041244273 its reverse (372442140512), we get a palindrome (587483384785).

The spelling of 215041244273 in words is "two hundred fifteen billion, forty-one million, two hundred forty-four thousand, two hundred seventy-three".