2189522519 has 2 divisors, whose sum is σ = 2189522520. Its totient is φ = 2189522518.

The previous prime is 2189522501. The next prime is 2189522539. The reversal of 2189522519 is 9152259812.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2189522519 - 2⁸ = 2189522263 is a prime.

It is a super-2 number, since 2×2189522519² = 9588017722416210722, 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 2189522519.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2189522539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1094761259 + 1094761260.

It is an arithmetic number, because the mean of its divisors is an integer number (1094761260).

Almost surely, 2^2189522519 is an apocalyptic number.

2189522519 is a deficient number, since it is larger than the sum of its proper divisors (1).

2189522519 is an equidigital number, since it uses as much as digits as its factorization.

2189522519 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129600, while the sum is 44.

The square root of 2189522519 is about 46792.3339768386. Note that the first 3 decimals coincide. The cubic root of 2189522519 is about 1298.5234752920.

The spelling of 2189522519 in words is "two billion, one hundred eighty-nine million, five hundred twenty-two thousand, five hundred nineteen".