219339447241 has 2 divisors, whose sum is σ = 219339447242. Its totient is φ = 219339447240.

The previous prime is 219339447167. The next prime is 219339447277. The reversal of 219339447241 is 142744933912.

219339447241 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., 162103669641 + 57235777600 = 402621^2 + 239240^2 .

It is a cyclic number.

It is not a de Polignac number, because 219339447241 - 2¹⁷ = 219339316169 is a prime.

It is not a weakly prime, because it can be changed into another prime (219339448241) 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, 109669723620 + 109669723621.

It is an arithmetic number, because the mean of its divisors is an integer number (109669723621).

Almost surely, 2^219339447241 is an apocalyptic number.

It is an amenable number.

219339447241 is a deficient number, since it is larger than the sum of its proper divisors (1).

219339447241 is an equidigital number, since it uses as much as digits as its factorization.

219339447241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 49.

The spelling of 219339447241 in words is "two hundred nineteen billion, three hundred thirty-nine million, four hundred forty-seven thousand, two hundred forty-one".