19773000011 has 2 divisors, whose sum is σ = 19773000012. Its totient is φ = 19773000010.

The previous prime is 19772999993. The next prime is 19773000031. The reversal of 19773000011 is 11000037791.

It is a weak prime.

It is an emirp because it is prime and its reverse (11000037791) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19773000011 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (19773000031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9886500005 + 9886500006.

It is an arithmetic number, because the mean of its divisors is an integer number (9886500006).

Almost surely, 2^19773000011 is an apocalyptic number.

19773000011 is a deficient number, since it is larger than the sum of its proper divisors (1).

19773000011 is an equidigital number, since it uses as much as digits as its factorization.

19773000011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1323, while the sum is 29.

The spelling of 19773000011 in words is "nineteen billion, seven hundred seventy-three million, eleven", and thus it is an aban number.