19364972319211 has 2 divisors, whose sum is σ = 19364972319212. Its totient is φ = 19364972319210.

The previous prime is 19364972319169. The next prime is 19364972319257. The reversal of 19364972319211 is 11291327946391.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 19364972319211 - 2³⁵ = 19330612580843 is a prime.

It is not a weakly prime, because it can be changed into another prime (19364972319281) 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, 9682486159605 + 9682486159606.

It is an arithmetic number, because the mean of its divisors is an integer number (9682486159606).

Almost surely, 2^{19364972319211} is an apocalyptic number.

19364972319211 is a deficient number, since it is larger than the sum of its proper divisors (1).

19364972319211 is an equidigital number, since it uses as much as digits as its factorization.

19364972319211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4408992, while the sum is 58.

The spelling of 19364972319211 in words is "nineteen trillion, three hundred sixty-four billion, nine hundred seventy-two million, three hundred nineteen thousand, two hundred eleven".