2019567419 has 2 divisors, whose sum is σ = 2019567420. Its totient is φ = 2019567418.

The previous prime is 2019567391. The next prime is 2019567439. The reversal of 2019567419 is 9147659102.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2019567419 is a prime.

It is a super-2 number, since 2×2019567419² = 8157305119772643122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2019567419.

It is not a weakly prime, because it can be changed into another prime (2019567439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009783709 + 1009783710.

It is an arithmetic number, because the mean of its divisors is an integer number (1009783710).

Almost surely, 2^2019567419 is an apocalyptic number.

2019567419 is a deficient number, since it is larger than the sum of its proper divisors (1).

2019567419 is an equidigital number, since it uses as much as digits as its factorization.

2019567419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 2019567419 is about 44939.5974503555. The cubic root of 2019567419 is about 1264.0166226767.

The spelling of 2019567419 in words is "two billion, nineteen million, five hundred sixty-seven thousand, four hundred nineteen".