3535321661 has 2 divisors, whose sum is σ = 3535321662. Its totient is φ = 3535321660.

The previous prime is 3535321627. The next prime is 3535321663. The reversal of 3535321661 is 1661235353.

3535321661 is digitally balanced in base 3, 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., 2853589561 + 681732100 = 53419^2 + 26110^2 .

It is an emirp because it is prime and its reverse (1661235353) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3535321661 - 2³⁰ = 2461579837 is a prime.

Together with 3535321663, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3535321663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1767660830 + 1767660831.

It is an arithmetic number, because the mean of its divisors is an integer number (1767660831).

Almost surely, 2^3535321661 is an apocalyptic number.

It is an amenable number.

3535321661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3535321661 is an equidigital number, since it uses as much as digits as its factorization.

3535321661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 35.

The square root of 3535321661 is about 59458.5709633187. The cubic root of 3535321661 is about 1523.3848938120.

The spelling of 3535321661 in words is "three billion, five hundred thirty-five million, three hundred twenty-one thousand, six hundred sixty-one".