19150419227 has 2 divisors, whose sum is σ = 19150419228. Its totient is φ = 19150419226.

The previous prime is 19150419179. The next prime is 19150419259. The reversal of 19150419227 is 72291405191.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (72291405191) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19150419227 - 2⁸ = 19150418971 is a prime.

It is not a weakly prime, because it can be changed into another prime (19150119227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9575209613 + 9575209614.

It is an arithmetic number, because the mean of its divisors is an integer number (9575209614).

Almost surely, 2^19150419227 is an apocalyptic number.

19150419227 is a deficient number, since it is larger than the sum of its proper divisors (1).

19150419227 is an equidigital number, since it uses as much as digits as its factorization.

19150419227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 41.

The spelling of 19150419227 in words is "nineteen billion, one hundred fifty million, four hundred nineteen thousand, two hundred twenty-seven".