3444528821 has 2 divisors, whose sum is σ = 3444528822. Its totient is φ = 3444528820.

The previous prime is 3444528811. The next prime is 3444528827. The reversal of 3444528821 is 1288254443.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3379096900 + 65431921 = 58130^2 + 8089^2 .

It is a cyclic number.

It is not a de Polignac number, because 3444528821 - 2¹⁰ = 3444527797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3444528827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1722264410 + 1722264411.

It is an arithmetic number, because the mean of its divisors is an integer number (1722264411).

Almost surely, 2^3444528821 is an apocalyptic number.

It is an amenable number.

3444528821 is a deficient number, since it is larger than the sum of its proper divisors (1).

3444528821 is an equidigital number, since it uses as much as digits as its factorization.

3444528821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 245760, while the sum is 41.

The square root of 3444528821 is about 58690.1083744101. The cubic root of 3444528821 is about 1510.2306302407.

The spelling of 3444528821 in words is "three billion, four hundred forty-four million, five hundred twenty-eight thousand, eight hundred twenty-one".