2680909573 has 2 divisors, whose sum is σ = 2680909574. Its totient is φ = 2680909572.

The previous prime is 2680909507. The next prime is 2680909577. The reversal of 2680909573 is 3759090862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2061795649 + 619113924 = 45407^2 + 24882^2 .

It is a cyclic number.

It is not a de Polignac number, because 2680909573 - 2¹³ = 2680901381 is a prime.

It is a super-2 number, since 2×2680909573² = 14374552277206084658, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2680909577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340454786 + 1340454787.

It is an arithmetic number, because the mean of its divisors is an integer number (1340454787).

Almost surely, 2^2680909573 is an apocalyptic number.

It is an amenable number.

2680909573 is a deficient number, since it is larger than the sum of its proper divisors (1).

2680909573 is an equidigital number, since it uses as much as digits as its factorization.

2680909573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 49.

The square root of 2680909573 is about 51777.5006445850. The cubic root of 2680909573 is about 1389.1870361337.

The spelling of 2680909573 in words is "two billion, six hundred eighty million, nine hundred nine thousand, five hundred seventy-three".