3521428596 has 72 divisors (see below), whose sum is σ = 10213729344. Its totient is φ = 1002096000.

The previous prime is 3521428583. The next prime is 3521428613. The reversal of 3521428596 is 6958241253.

3521428596 is a `hidden beast` number, since 3 + 52 + 1 + 4 + 2 + 8 + 596 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35416 + ... + 91088.

It is an arithmetic number, because the mean of its divisors is an integer number (141857352).

Almost surely, 2^3521428596 is an apocalyptic number.

3521428596 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3521428596, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5106864672).

3521428596 is an abundant number, since it is smaller than the sum of its proper divisors (6692300748).

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

3521428596 is a wasteful number, since it uses less digits than its factorization.

3521428596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55941 (or 55936 counting only the distinct ones).

The product of its digits is 518400, while the sum is 45.

The square root of 3521428596 is about 59341.6261657869. The cubic root of 3521428596 is about 1521.3867474810.

The spelling of 3521428596 in words is "three billion, five hundred twenty-one million, four hundred twenty-eight thousand, five hundred ninety-six".