19327351807 has 2 divisors, whose sum is σ = 19327351808. Its totient is φ = 19327351806.

The previous prime is 19327351793. The next prime is 19327351811. The reversal of 19327351807 is 70815372391.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19327351807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19327351207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9663675903 + 9663675904.

It is an arithmetic number, because the mean of its divisors is an integer number (9663675904).

Almost surely, 2^19327351807 is an apocalyptic number.

19327351807 is a deficient number, since it is larger than the sum of its proper divisors (1).

19327351807 is an equidigital number, since it uses as much as digits as its factorization.

19327351807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 317520, while the sum is 46.

The spelling of 19327351807 in words is "nineteen billion, three hundred twenty-seven million, three hundred fifty-one thousand, eight hundred seven".