219068939 has 2 divisors, whose sum is σ = 219068940. Its totient is φ = 219068938.

The previous prime is 219068921. The next prime is 219069001. The reversal of 219068939 is 939860912.

219068939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 219068939 - 2¹⁶ = 219003403 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 219068893 and 219068902.

It is not a weakly prime, because it can be changed into another prime (219064939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109534469 + 109534470.

It is an arithmetic number, because the mean of its divisors is an integer number (109534470).

Almost surely, 2^219068939 is an apocalyptic number.

219068939 is a deficient number, since it is larger than the sum of its proper divisors (1).

219068939 is an equidigital number, since it uses as much as digits as its factorization.

219068939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 219068939 is about 14800.9776366293. The cubic root of 219068939 is about 602.8282575035.

The spelling of 219068939 in words is "two hundred nineteen million, sixty-eight thousand, nine hundred thirty-nine".