3128461329 has 32 divisors (see below), whose sum is σ = 5155024896. Its totient is φ = 1646726400.

The previous prime is 3128461319. The next prime is 3128461361. The reversal of 3128461329 is 9231648213.

It is not a de Polignac number, because 3128461329 - 2⁷ = 3128461201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3128461309) 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 in 31 ways as a sum of consecutive naturals, for example, 76447 + ... + 110004.

It is an arithmetic number, because the mean of its divisors is an integer number (161094528).

Almost surely, 2^3128461329 is an apocalyptic number.

It is an amenable number.

3128461329 is a deficient number, since it is larger than the sum of its proper divisors (2026563567).

3128461329 is a wasteful number, since it uses less digits than its factorization.

3128461329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186525.

The product of its digits is 62208, while the sum is 39.

The square root of 3128461329 is about 55932.6499372236. The cubic root of 3128461329 is about 1462.5484559298.

The spelling of 3128461329 in words is "three billion, one hundred twenty-eight million, four hundred sixty-one thousand, three hundred twenty-nine".