803664260593 has 2 divisors, whose sum is σ = 803664260594. Its totient is φ = 803664260592.

The previous prime is 803664260569. The next prime is 803664260713. The reversal of 803664260593 is 395062466308.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 724459727104 + 79204533489 = 851152^2 + 281433^2 .

It is a cyclic number.

It is not a de Polignac number, because 803664260593 - 2²¹ = 803662163441 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 803664260593.

It is not a weakly prime, because it can be changed into another prime (803664260513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401832130296 + 401832130297.

It is an arithmetic number, because the mean of its divisors is an integer number (401832130297).

Almost surely, 2^803664260593 is an apocalyptic number.

It is an amenable number.

803664260593 is a deficient number, since it is larger than the sum of its proper divisors (1).

803664260593 is an equidigital number, since it uses as much as digits as its factorization.

803664260593 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720, while the sum is 52.

The spelling of 803664260593 in words is "eight hundred three billion, six hundred sixty-four million, two hundred sixty thousand, five hundred ninety-three".