3128033449 has 2 divisors, whose sum is σ = 3128033450. Its totient is φ = 3128033448.

The previous prime is 3128033443. The next prime is 3128033477. The reversal of 3128033449 is 9443308213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1857610000 + 1270423449 = 43100^2 + 35643^2 .

It is a cyclic number.

It is not a de Polignac number, because 3128033449 - 2⁹ = 3128032937 is a prime.

It is not a weakly prime, because it can be changed into another prime (3128033443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1564016724 + 1564016725.

It is an arithmetic number, because the mean of its divisors is an integer number (1564016725).

Almost surely, 2^3128033449 is an apocalyptic number.

It is an amenable number.

3128033449 is a deficient number, since it is larger than the sum of its proper divisors (1).

3128033449 is an equidigital number, since it uses as much as digits as its factorization.

3128033449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 37.

The square root of 3128033449 is about 55928.8248490883. The cubic root of 3128033449 is about 1462.4817752520.

The spelling of 3128033449 in words is "three billion, one hundred twenty-eight million, thirty-three thousand, four hundred forty-nine".