19836067747 has 2 divisors, whose sum is σ = 19836067748. Its totient is φ = 19836067746.

The previous prime is 19836067663. The next prime is 19836067753. The reversal of 19836067747 is 74776063891.

It is a strong prime.

It is an emirp because it is prime and its reverse (74776063891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19836067747 - 2¹¹ = 19836065699 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19836067691 and 19836067700.

It is not a weakly prime, because it can be changed into another prime (19836067787) 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, 9918033873 + 9918033874.

It is an arithmetic number, because the mean of its divisors is an integer number (9918033874).

Almost surely, 2^19836067747 is an apocalyptic number.

19836067747 is a deficient number, since it is larger than the sum of its proper divisors (1).

19836067747 is an equidigital number, since it uses as much as digits as its factorization.

19836067747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10668672, while the sum is 58.

The spelling of 19836067747 in words is "nineteen billion, eight hundred thirty-six million, sixty-seven thousand, seven hundred forty-seven".