3440021161 has 2 divisors, whose sum is σ = 3440021162. Its totient is φ = 3440021160.

The previous prime is 3440021153. The next prime is 3440021177. The reversal of 3440021161 is 1611200443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2849531161 + 590490000 = 53381^2 + 24300^2 .

It is a cyclic number.

It is not a de Polignac number, because 3440021161 - 2³ = 3440021153 is a prime.

It is not a weakly prime, because it can be changed into another prime (3440021131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1720010580 + 1720010581.

It is an arithmetic number, because the mean of its divisors is an integer number (1720010581).

Almost surely, 2^3440021161 is an apocalyptic number.

It is an amenable number.

3440021161 is a deficient number, since it is larger than the sum of its proper divisors (1).

3440021161 is an equidigital number, since it uses as much as digits as its factorization.

3440021161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 3440021161 is about 58651.6935902110. The cubic root of 3440021161 is about 1509.5715581979.

The spelling of 3440021161 in words is "three billion, four hundred forty million, twenty-one thousand, one hundred sixty-one".