19427045119 has 2 divisors, whose sum is σ = 19427045120. Its totient is φ = 19427045118.

The previous prime is 19427045117. The next prime is 19427045123. The reversal of 19427045119 is 91154072491.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19427045119 - 2¹ = 19427045117 is a prime.

It is a super-2 number, since 2×19427045119² (a number of 21 digits) contains 22 as substring.

Together with 19427045117, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19427045111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9713522559 + 9713522560.

It is an arithmetic number, because the mean of its divisors is an integer number (9713522560).

Almost surely, 2^19427045119 is an apocalyptic number.

19427045119 is a deficient number, since it is larger than the sum of its proper divisors (1).

19427045119 is an equidigital number, since it uses as much as digits as its factorization.

19427045119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 19427045119 in words is "nineteen billion, four hundred twenty-seven million, forty-five thousand, one hundred nineteen".