3922804661 has 2 divisors, whose sum is σ = 3922804662. Its totient is φ = 3922804660.

The previous prime is 3922804649. The next prime is 3922804667. The reversal of 3922804661 is 1664082293.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3688132900 + 234671761 = 60730^2 + 15319^2 .

It is a cyclic number.

It is not a de Polignac number, because 3922804661 - 2¹⁰ = 3922803637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3922804667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1961402330 + 1961402331.

It is an arithmetic number, because the mean of its divisors is an integer number (1961402331).

Almost surely, 2^3922804661 is an apocalyptic number.

It is an amenable number.

3922804661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3922804661 is an equidigital number, since it uses as much as digits as its factorization.

3922804661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 3922804661 is about 62632.2972674642. The cubic root of 3922804661 is about 1577.1229838677.

The spelling of 3922804661 in words is "three billion, nine hundred twenty-two million, eight hundred four thousand, six hundred sixty-one".