3128472529 has 16 divisors (see below), whose sum is σ = 3874068352. Its totient is φ = 2460077568.

The previous prime is 3128472517. The next prime is 3128472533. The reversal of 3128472529 is 9252748213.

It is not a de Polignac number, because 3128472529 - 2⁷ = 3128472401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3128472829) 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, 90624 + ... + 120289.

It is an arithmetic number, because the mean of its divisors is an integer number (242129272).

Almost surely, 2^3128472529 is an apocalyptic number.

It is an amenable number.

3128472529 is a deficient number, since it is larger than the sum of its proper divisors (745595823).

3128472529 is a wasteful number, since it uses less digits than its factorization.

3128472529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211096.

The product of its digits is 241920, while the sum is 43.

The square root of 3128472529 is about 55932.7500575468. The cubic root of 3128472529 is about 1462.5502012524.

The spelling of 3128472529 in words is "three billion, one hundred twenty-eight million, four hundred seventy-two thousand, five hundred twenty-nine".