3128569242 has 16 divisors (see below), whose sum is σ = 6472902240. Its totient is φ = 1006895792.

The previous prime is 3128569237. The next prime is 3128569267. The reversal of 3128569242 is 2429658213.

It is a junction number, because it is equal to n+sod(n) for n = 3128569194 and 3128569203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8989968 + ... + 8990315.

It is an arithmetic number, because the mean of its divisors is an integer number (404556390).

Almost surely, 2^3128569242 is an apocalyptic number.

3128569242 is an abundant number, since it is smaller than the sum of its proper divisors (3344332998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3128569242 is a wasteful number, since it uses less digits than its factorization.

3128569242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17980317.

The product of its digits is 207360, while the sum is 42.

The square root of 3128569242 is about 55933.6145980215. The cubic root of 3128569242 is about 1462.5652720960.

The spelling of 3128569242 in words is "three billion, one hundred twenty-eight million, five hundred sixty-nine thousand, two hundred forty-two".