19030441187 has 2 divisors, whose sum is σ = 19030441188. Its totient is φ = 19030441186.

The previous prime is 19030441181. The next prime is 19030441207. The reversal of 19030441187 is 78114403091.

It is a weak prime.

It is an emirp because it is prime and its reverse (78114403091) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19030441187 - 2¹² = 19030437091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19030441187.

It is not a weakly prime, because it can be changed into another prime (19030441181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9515220593 + 9515220594.

It is an arithmetic number, because the mean of its divisors is an integer number (9515220594).

Almost surely, 2^19030441187 is an apocalyptic number.

19030441187 is a deficient number, since it is larger than the sum of its proper divisors (1).

19030441187 is an equidigital number, since it uses as much as digits as its factorization.

19030441187 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 38.

The spelling of 19030441187 in words is "nineteen billion, thirty million, four hundred forty-one thousand, one hundred eighty-seven".