19045246907 has 2 divisors, whose sum is σ = 19045246908. Its totient is φ = 19045246906.

The previous prime is 19045246849. The next prime is 19045246921. The reversal of 19045246907 is 70964254091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19045246907 - 2¹⁰ = 19045245883 is a prime.

It is not a weakly prime, because it can be changed into another prime (19045246967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9522623453 + 9522623454.

It is an arithmetic number, because the mean of its divisors is an integer number (9522623454).

Almost surely, 2^19045246907 is an apocalyptic number.

19045246907 is a deficient number, since it is larger than the sum of its proper divisors (1).

19045246907 is an equidigital number, since it uses as much as digits as its factorization.

19045246907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 19045246907 in words is "nineteen billion, forty-five million, two hundred forty-six thousand, nine hundred seven".