3069031661 has 2 divisors, whose sum is σ = 3069031662. Its totient is φ = 3069031660.

The previous prime is 3069031649. The next prime is 3069031697. The reversal of 3069031661 is 1661309603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2020502500 + 1048529161 = 44950^2 + 32381^2 .

It is an emirp because it is prime and its reverse (1661309603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3069031661 - 2¹⁰ = 3069030637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3069031061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1534515830 + 1534515831.

It is an arithmetic number, because the mean of its divisors is an integer number (1534515831).

Almost surely, 2^3069031661 is an apocalyptic number.

It is an amenable number.

3069031661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3069031661 is an equidigital number, since it uses as much as digits as its factorization.

3069031661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 3069031661 is about 55398.8416936672. The cubic root of 3069031661 is about 1453.2281089766.

The spelling of 3069031661 in words is "three billion, sixty-nine million, thirty-one thousand, six hundred sixty-one".