219207648013 has 2 divisors, whose sum is σ = 219207648014. Its totient is φ = 219207648012.

The previous prime is 219207647987. The next prime is 219207648019. The reversal of 219207648013 is 310846702912.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181508377444 + 37699270569 = 426038^2 + 194163^2 .

It is a cyclic number.

It is not a de Polignac number, because 219207648013 - 2³⁷ = 81768694541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (219207648019) 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, 109603824006 + 109603824007.

It is an arithmetic number, because the mean of its divisors is an integer number (109603824007).

Almost surely, 2^219207648013 is an apocalyptic number.

It is an amenable number.

219207648013 is a deficient number, since it is larger than the sum of its proper divisors (1).

219207648013 is an equidigital number, since it uses as much as digits as its factorization.

219207648013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152, while the sum is 43.

The spelling of 219207648013 in words is "two hundred nineteen billion, two hundred seven million, six hundred forty-eight thousand, thirteen".