3128854441 has 2 divisors, whose sum is σ = 3128854442. Its totient is φ = 3128854440.

The previous prime is 3128854439. The next prime is 3128854489. The reversal of 3128854441 is 1444588213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2641548816 + 487305625 = 51396^2 + 22075^2 .

It is an emirp because it is prime and its reverse (1444588213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3128854441 - 2¹ = 3128854439 is a prime.

It is a super-4 number, since 4×3128854441⁴ (a number of 39 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

Together with 3128854439, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3128854394 and 3128854403.

It is not a weakly prime, because it can be changed into another prime (3128354441) 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, 1564427220 + 1564427221.

It is an arithmetic number, because the mean of its divisors is an integer number (1564427221).

Almost surely, 2^3128854441 is an apocalyptic number.

It is an amenable number.

3128854441 is a deficient number, since it is larger than the sum of its proper divisors (1).

3128854441 is an equidigital number, since it uses as much as digits as its factorization.

3128854441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 122880, while the sum is 40.

The square root of 3128854441 is about 55936.1639818106. The cubic root of 3128854441 is about 1462.6097130152.

The spelling of 3128854441 in words is "three billion, one hundred twenty-eight million, eight hundred fifty-four thousand, four hundred forty-one".