2685473533 has 2 divisors, whose sum is σ = 2685473534. Its totient is φ = 2685473532.

The previous prime is 2685473513. The next prime is 2685473551. The reversal of 2685473533 is 3353745862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2045029284 + 640444249 = 45222^2 + 25307^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2685473533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2685473513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1342736766 + 1342736767.

It is an arithmetic number, because the mean of its divisors is an integer number (1342736767).

Almost surely, 2^2685473533 is an apocalyptic number.

It is an amenable number.

2685473533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2685473533 is an equidigital number, since it uses as much as digits as its factorization.

2685473533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 46.

The square root of 2685473533 is about 51821.5547142306. The cubic root of 2685473533 is about 1389.9749030198.

The spelling of 2685473533 in words is "two billion, six hundred eighty-five million, four hundred seventy-three thousand, five hundred thirty-three".