819296708193 has 12 divisors (see below), whose sum is σ = 1183874013348. Its totient is φ = 545992220160.

The previous prime is 819296708189. The next prime is 819296708213. The reversal of 819296708193 is 391807692918.

It can be written as a sum of positive squares in 2 ways, for example, as 599094576144 + 220202132049 = 774012^2 + 469257^2 .

It is not a de Polignac number, because 819296708193 - 2² = 819296708189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 819296708193.

It is not an unprimeable number, because it can be changed into a prime (819296708143) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17106868 + ... + 17154693.

It is an arithmetic number, because the mean of its divisors is an integer number (98656167779).

Almost surely, 2^819296708193 is an apocalyptic number.

It is an amenable number.

819296708193 is a deficient number, since it is larger than the sum of its proper divisors (364577305155).

819296708193 is a wasteful number, since it uses less digits than its factorization.

819296708193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34264224 (or 34264221 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The spelling of 819296708193 in words is "eight hundred nineteen billion, two hundred ninety-six million, seven hundred eight thousand, one hundred ninety-three".