219300947 has 2 divisors, whose sum is σ = 219300948. Its totient is φ = 219300946.

The previous prime is 219300941. The next prime is 219300953. The reversal of 219300947 is 749003912.

It is a balanced prime because it is at equal distance from previous prime (219300941) and next prime (219300953).

It is a cyclic number.

It is not a de Polignac number, because 219300947 - 2⁴ = 219300931 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (219300941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109650473 + 109650474.

It is an arithmetic number, because the mean of its divisors is an integer number (109650474).

Almost surely, 2^219300947 is an apocalyptic number.

219300947 is a deficient number, since it is larger than the sum of its proper divisors (1).

219300947 is an equidigital number, since it uses as much as digits as its factorization.

219300947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 219300947 is about 14808.8131529843. The cubic root of 219300947 is about 603.0409936314.

The spelling of 219300947 in words is "two hundred nineteen million, three hundred thousand, nine hundred forty-seven".