19282080647 has 2 divisors, whose sum is σ = 19282080648. Its totient is φ = 19282080646.

The previous prime is 19282080641. The next prime is 19282080667. The reversal of 19282080647 is 74608028291.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19282080647 - 2¹² = 19282076551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19282080641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9641040323 + 9641040324.

It is an arithmetic number, because the mean of its divisors is an integer number (9641040324).

Almost surely, 2^19282080647 is an apocalyptic number.

19282080647 is a deficient number, since it is larger than the sum of its proper divisors (1).

19282080647 is an equidigital number, since it uses as much as digits as its factorization.

19282080647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 387072, while the sum is 47.

The spelling of 19282080647 in words is "nineteen billion, two hundred eighty-two million, eighty thousand, six hundred forty-seven".