19323477486847 has 2 divisors, whose sum is σ = 19323477486848. Its totient is φ = 19323477486846.

The previous prime is 19323477486757. The next prime is 19323477486893. The reversal of 19323477486847 is 74868477432391.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19323477486847 - 2¹¹ = 19323477484799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 19323477486847.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19323477436847) 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, 9661738743423 + 9661738743424.

It is an arithmetic number, because the mean of its divisors is an integer number (9661738743424).

Almost surely, 2^{19323477486847} is an apocalyptic number.

19323477486847 is a deficient number, since it is larger than the sum of its proper divisors (1).

19323477486847 is an equidigital number, since it uses as much as digits as its factorization.

19323477486847 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1365590016, while the sum is 73.

The spelling of 19323477486847 in words is "nineteen trillion, three hundred twenty-three billion, four hundred seventy-seven million, four hundred eighty-six thousand, eight hundred forty-seven".