2119999919 has 2 divisors, whose sum is σ = 2119999920. Its totient is φ = 2119999918.

The previous prime is 2119999913. The next prime is 2120000017. The reversal of 2119999919 is 9199999112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2119999919 - 2²⁴ = 2103222703 is a prime.

It is a super-2 number, since 2×2119999919² = 8988799313120013122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2119999913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1059999959 + 1059999960.

It is an arithmetic number, because the mean of its divisors is an integer number (1059999960).

Almost surely, 2^2119999919 is an apocalyptic number.

2119999919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2119999919 is an equidigital number, since it uses as much as digits as its factorization.

2119999919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1062882, while the sum is 59.

The square root of 2119999919 is about 46043.4568532816. The cubic root of 2119999919 is about 1284.6316413516.

The spelling of 2119999919 in words is "two billion, one hundred nineteen million, nine hundred ninety-nine thousand, nine hundred nineteen".