1928000219 has 2 divisors, whose sum is σ = 1928000220. Its totient is φ = 1928000218.

The previous prime is 1928000177. The next prime is 1928000273. The reversal of 1928000219 is 9120008291.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1928000219 - 2⁸ = 1927999963 is a prime.

It is a super-2 number, since 2×1928000219² = 7434369688928095922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1928000419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 964000109 + 964000110.

It is an arithmetic number, because the mean of its divisors is an integer number (964000110).

Almost surely, 2^1928000219 is an apocalyptic number.

1928000219 is a deficient number, since it is larger than the sum of its proper divisors (1).

1928000219 is an equidigital number, since it uses as much as digits as its factorization.

1928000219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 1928000219 is about 43908.9992939944. Note that the first 3 decimals coincide. The cubic root of 1928000219 is about 1244.6168977662.

The spelling of 1928000219 in words is "one billion, nine hundred twenty-eight million, two hundred nineteen", and thus it is an aban number.