19793336473 has 2 divisors, whose sum is σ = 19793336474. Its totient is φ = 19793336472.

The previous prime is 19793336467. The next prime is 19793336551. The reversal of 19793336473 is 37463339791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18225810009 + 1567526464 = 135003^2 + 39592^2 .

It is an emirp because it is prime and its reverse (37463339791) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 19793336473 - 2²⁵ = 19759782041 is a prime.

It is not a weakly prime, because it can be changed into another prime (19793339473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9896668236 + 9896668237.

It is an arithmetic number, because the mean of its divisors is an integer number (9896668237).

Almost surely, 2^19793336473 is an apocalyptic number.

It is an amenable number.

19793336473 is a deficient number, since it is larger than the sum of its proper divisors (1).

19793336473 is an equidigital number, since it uses as much as digits as its factorization.

19793336473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7715736, while the sum is 55.

The spelling of 19793336473 in words is "nineteen billion, seven hundred ninety-three million, three hundred thirty-six thousand, four hundred seventy-three".