3529709568 has 384 divisors, whose sum is σ = 13051584000. Its totient is φ = 915701760.

The previous prime is 3529709563. The next prime is 3529709581. The reversal of 3529709568 is 8659079253.

3529709568 is a `hidden beast` number, since 3 + 5 + 2 + 9 + 70 + 9 + 568 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3529709563) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4257378 + ... + 4258206.

It is an arithmetic number, because the mean of its divisors is an integer number (33988500).

Almost surely, 2^3529709568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3529709568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6525792000).

3529709568 is an abundant number, since it is smaller than the sum of its proper divisors (9521874432).

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

3529709568 is a wasteful number, since it uses less digits than its factorization.

3529709568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 878 (or 852 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The square root of 3529709568 is about 59411.3589139316. The cubic root of 3529709568 is about 1522.5783754455.

The spelling of 3529709568 in words is "three billion, five hundred twenty-nine million, seven hundred nine thousand, five hundred sixty-eight".