19466622113 has 2 divisors, whose sum is σ = 19466622114. Its totient is φ = 19466622112.

The previous prime is 19466622061. The next prime is 19466622173. The reversal of 19466622113 is 31122666491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18194772544 + 1271849569 = 134888^2 + 35663^2 .

It is a cyclic number.

It is not a de Polignac number, because 19466622113 - 2²⁶ = 19399513249 is a prime.

It is not a weakly prime, because it can be changed into another prime (19466622173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9733311056 + 9733311057.

It is an arithmetic number, because the mean of its divisors is an integer number (9733311057).

Almost surely, 2^19466622113 is an apocalyptic number.

It is an amenable number.

19466622113 is a deficient number, since it is larger than the sum of its proper divisors (1).

19466622113 is an equidigital number, since it uses as much as digits as its factorization.

19466622113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 41.

The spelling of 19466622113 in words is "nineteen billion, four hundred sixty-six million, six hundred twenty-two thousand, one hundred thirteen".