3606904981 has 2 divisors, whose sum is σ = 3606904982. Its totient is φ = 3606904980.

The previous prime is 3606904937. The next prime is 3606905017. The reversal of 3606904981 is 1894096063.

3606904981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3596400900 + 10504081 = 59970^2 + 3241^2 .

It is a cyclic number.

It is not a de Polignac number, because 3606904981 - 2¹¹ = 3606902933 is a prime.

It is a super-2 number, since 2×3606904981² = 26019527083925220722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3606904381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1803452490 + 1803452491.

It is an arithmetic number, because the mean of its divisors is an integer number (1803452491).

Almost surely, 2^3606904981 is an apocalyptic number.

It is an amenable number.

3606904981 is a deficient number, since it is larger than the sum of its proper divisors (1).

3606904981 is an equidigital number, since it uses as much as digits as its factorization.

3606904981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 3606904981 is about 60057.5139428864. The cubic root of 3606904981 is about 1533.5981189806.

The spelling of 3606904981 in words is "three billion, six hundred six million, nine hundred four thousand, nine hundred eighty-one".