219115253089 has 2 divisors, whose sum is σ = 219115253090. Its totient is φ = 219115253088.

The previous prime is 219115253087. The next prime is 219115253111. The reversal of 219115253089 is 980352511912.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211937774689 + 7177478400 = 460367^2 + 84720^2 .

It is a cyclic number.

It is not a de Polignac number, because 219115253089 - 2¹ = 219115253087 is a prime.

It is a super-2 number, since 2×219115253089² (a number of 23 digits) contains 22 as substring.

Together with 219115253087, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (219115253087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109557626544 + 109557626545.

It is an arithmetic number, because the mean of its divisors is an integer number (109557626545).

Almost surely, 2^219115253089 is an apocalyptic number.

It is an amenable number.

219115253089 is a deficient number, since it is larger than the sum of its proper divisors (1).

219115253089 is an equidigital number, since it uses as much as digits as its factorization.

219115253089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 46.

The spelling of 219115253089 in words is "two hundred nineteen billion, one hundred fifteen million, two hundred fifty-three thousand, eighty-nine".