3128657441 has 16 divisors (see below), whose sum is σ = 4077166464. Its totient is φ = 2329807104.

The previous prime is 3128657377. The next prime is 3128657471. The reversal of 3128657441 is 1447568213.

3128657441 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 3128657441 - 2⁶ = 3128657377 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3128657471) 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, 1009655 + ... + 1012748.

It is an arithmetic number, because the mean of its divisors is an integer number (254822904).

Almost surely, 2^3128657441 is an apocalyptic number.

It is an amenable number.

3128657441 is a deficient number, since it is larger than the sum of its proper divisors (948509023).

3128657441 is a wasteful number, since it uses less digits than its factorization.

3128657441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022440.

The product of its digits is 161280, while the sum is 41.

The square root of 3128657441 is about 55934.4030181784. The cubic root of 3128657441 is about 1462.5790159271.

The spelling of 3128657441 in words is "three billion, one hundred twenty-eight million, six hundred fifty-seven thousand, four hundred forty-one".