3539342561 has 2 divisors, whose sum is σ = 3539342562. Its totient is φ = 3539342560.

The previous prime is 3539342539. The next prime is 3539342617. The reversal of 3539342561 is 1652439353.

3539342561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2220200161 + 1319142400 = 47119^2 + 36320^2 .

It is a cyclic number.

It is not a de Polignac number, because 3539342561 - 2¹⁴ = 3539326177 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3539342461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1769671280 + 1769671281.

It is an arithmetic number, because the mean of its divisors is an integer number (1769671281).

Almost surely, 2^3539342561 is an apocalyptic number.

It is an amenable number.

3539342561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3539342561 is an equidigital number, since it uses as much as digits as its factorization.

3539342561 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 41.

The square root of 3539342561 is about 59492.3739734766. The cubic root of 3539342561 is about 1523.9622158719.

The spelling of 3539342561 in words is "three billion, five hundred thirty-nine million, three hundred forty-two thousand, five hundred sixty-one".