1000219399 has 2 divisors, whose sum is σ = 1000219400. Its totient is φ = 1000219398.

The previous prime is 1000219393. The next prime is 1000219403. The reversal of 1000219399 is 9939120001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1000219399 - 2³ = 1000219391 is a prime.

It is a super-2 number, since 2×1000219399² = 2000877692271842402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000219391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500109699 + 500109700.

It is an arithmetic number, because the mean of its divisors is an integer number (500109700).

Almost surely, 2^1000219399 is an apocalyptic number.

1000219399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000219399 is an equidigital number, since it uses as much as digits as its factorization.

1000219399 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 34.

The square root of 1000219399 is about 31626.2454142125. The cubic root of 1000219399 is about 1000.0731276522.

The spelling of 1000219399 in words is "one billion, two hundred nineteen thousand, three hundred ninety-nine".