19047442367 has 2 divisors, whose sum is σ = 19047442368. Its totient is φ = 19047442366.

The previous prime is 19047442363. The next prime is 19047442369. The reversal of 19047442367 is 76324474091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19047442367 - 2² = 19047442363 is a prime.

Together with 19047442369, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19047442361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9523721183 + 9523721184.

It is an arithmetic number, because the mean of its divisors is an integer number (9523721184).

Almost surely, 2^19047442367 is an apocalyptic number.

19047442367 is a deficient number, since it is larger than the sum of its proper divisors (1).

19047442367 is an equidigital number, since it uses as much as digits as its factorization.

19047442367 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The spelling of 19047442367 in words is "nineteen billion, forty-seven million, four hundred forty-two thousand, three hundred sixty-seven".