3404440661 has 2 divisors, whose sum is σ = 3404440662. Its totient is φ = 3404440660.

The previous prime is 3404440651. The next prime is 3404440667. The reversal of 3404440661 is 1660444043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3271153636 + 133287025 = 57194^2 + 11545^2 .

It is a cyclic number.

It is not a de Polignac number, because 3404440661 - 2³⁰ = 2330698837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3404440667) 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, 1702220330 + 1702220331.

It is an arithmetic number, because the mean of its divisors is an integer number (1702220331).

Almost surely, 2^3404440661 is an apocalyptic number.

It is an amenable number.

3404440661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3404440661 is an equidigital number, since it uses as much as digits as its factorization.

3404440661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 3404440661 is about 58347.5848771824. The cubic root of 3404440661 is about 1504.3489582630.

The spelling of 3404440661 in words is "three billion, four hundred four million, four hundred forty thousand, six hundred sixty-one".