3128472537 has 16 divisors (see below), whose sum is σ = 4191055872. Its totient is φ = 2075792400.

The previous prime is 3128472533. The next prime is 3128472541. The reversal of 3128472537 is 7352748213.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3128472533) and next prime (3128472541).

It is not a de Polignac number, because 3128472537 - 2² = 3128472533 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3128472533) 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 in 15 ways as a sum of consecutive naturals, for example, 629412 + ... + 634362.

It is an arithmetic number, because the mean of its divisors is an integer number (261940992).

Almost surely, 2^3128472537 is an apocalyptic number.

It is an amenable number.

3128472537 is a deficient number, since it is larger than the sum of its proper divisors (1062583335).

3128472537 is a wasteful number, since it uses less digits than its factorization.

3128472537 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5908.

The product of its digits is 282240, while the sum is 42.

The square root of 3128472537 is about 55932.7501290612. The cubic root of 3128472537 is about 1462.5502024991.

The spelling of 3128472537 in words is "three billion, one hundred twenty-eight million, four hundred seventy-two thousand, five hundred thirty-seven".