3421668961 has 16 divisors (see below), whose sum is σ = 3488808960. Its totient is φ = 3355387920.

The previous prime is 3421668953. The next prime is 3421668967. The reversal of 3421668961 is 1698661243.

3421668961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 3421668961 - 2³ = 3421668953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3421668967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7143120 + ... + 7143598.

It is an arithmetic number, because the mean of its divisors is an integer number (218050560).

Almost surely, 2^3421668961 is an apocalyptic number.

It is an amenable number.

3421668961 is a deficient number, since it is larger than the sum of its proper divisors (67139999).

3421668961 is a wasteful number, since it uses less digits than its factorization.

3421668961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116.

The product of its digits is 373248, while the sum is 46.

The square root of 3421668961 is about 58495.0336438915. The cubic root of 3421668961 is about 1506.8822945351.

The spelling of 3421668961 in words is "three billion, four hundred twenty-one million, six hundred sixty-eight thousand, nine hundred sixty-one".