3509106661 has 2 divisors, whose sum is σ = 3509106662. Its totient is φ = 3509106660.

The previous prime is 3509106631. The next prime is 3509106683. The reversal of 3509106661 is 1666019053.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3341533636 + 167573025 = 57806^2 + 12945^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3509106661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3509106661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3509106631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1754553330 + 1754553331.

It is an arithmetic number, because the mean of its divisors is an integer number (1754553331).

Almost surely, 2^3509106661 is an apocalyptic number.

It is an amenable number.

3509106661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3509106661 is an equidigital number, since it uses as much as digits as its factorization.

3509106661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 3509106661 is about 59237.7131648412. The cubic root of 3509106661 is about 1519.6101639061.

The spelling of 3509106661 in words is "three billion, five hundred nine million, one hundred six thousand, six hundred sixty-one".