3648538528 has 36 divisors (see below), whose sum is σ = 7275534210. Its totient is φ = 1801078656.

The previous prime is 3648538511. The next prime is 3648538549. The reversal of 3648538528 is 8258358463.

It can be written as a sum of positive squares in only one way, i.e., 2784883984 + 863654544 = 52772^2 + 29388^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 190578 + ... + 208846.

Almost surely, 2^3648538528 is an apocalyptic number.

It is an amenable number.

3648538528 is a deficient number, since it is larger than the sum of its proper divisors (3626995682).

3648538528 is an equidigital number, since it uses as much as digits as its factorization.

3648538528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18437 (or 18350 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 52.

The square root of 3648538528 is about 60403.1334286558. The cubic root of 3648538528 is about 1539.4761989888.

The spelling of 3648538528 in words is "three billion, six hundred forty-eight million, five hundred thirty-eight thousand, five hundred twenty-eight".