3521539485 has 12 divisors (see below), whose sum is σ = 6104001852. Its totient is φ = 1878154368.

The previous prime is 3521539447. The next prime is 3521539493. The reversal of 3521539485 is 5849351253.

3521539485 is a `hidden beast` number, since 35 + 2 + 1 + 539 + 4 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1706268249 + 1815271236 = 41307^2 + 42606^2 .

It is not a de Polignac number, because 3521539485 - 2⁶ = 3521539421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 78256433 = 3521539485 / (3 + 5 + 2 + 1 + 5 + 3 + 9 + 4 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 3521539485.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 39128172 + ... + 39128261.

It is an arithmetic number, because the mean of its divisors is an integer number (508666821).

Almost surely, 2^3521539485 is an apocalyptic number.

It is an amenable number.

3521539485 is a deficient number, since it is larger than the sum of its proper divisors (2582462367).

3521539485 is a wasteful number, since it uses less digits than its factorization.

3521539485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78256444 (or 78256441 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 3521539485 is about 59342.5604857087. The cubic root of 3521539485 is about 1521.4027166897.

The spelling of 3521539485 in words is "three billion, five hundred twenty-one million, five hundred thirty-nine thousand, four hundred eighty-five".