2608206481 has 2 divisors, whose sum is σ = 2608206482. Its totient is φ = 2608206480.

The previous prime is 2608206473. The next prime is 2608206539. The reversal of 2608206481 is 1846028062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2488413456 + 119793025 = 49884^2 + 10945^2 .

It is a cyclic number.

It is not a de Polignac number, because 2608206481 - 2³ = 2608206473 is a prime.

It is a super-2 number, since 2×2608206481² = 13605482095060806722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2608206481.

It is not a weakly prime, because it can be changed into another prime (2608200481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1304103240 + 1304103241.

It is an arithmetic number, because the mean of its divisors is an integer number (1304103241).

Almost surely, 2^2608206481 is an apocalyptic number.

It is an amenable number.

2608206481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2608206481 is an equidigital number, since it uses as much as digits as its factorization.

2608206481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 2608206481 is about 51070.6029042149. The cubic root of 2608206481 is about 1376.5140753770.

The spelling of 2608206481 in words is "two billion, six hundred eight million, two hundred six thousand, four hundred eighty-one".