3529681028 has 12 divisors (see below), whose sum is σ = 6225580032. Its totient is φ = 1750943880.

The previous prime is 3529681019. The next prime is 3529681033. The reversal of 3529681028 is 8201869253.

It is a self number, because there is not a number n which added to its sum of digits gives 3529681028.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3473588 + ... + 3474603.

It is an arithmetic number, because the mean of its divisors is an integer number (518798336).

Almost surely, 2^3529681028 is an apocalyptic number.

It is an amenable number.

3529681028 is a deficient number, since it is larger than the sum of its proper divisors (2695899004).

3529681028 is a wasteful number, since it uses less digits than its factorization.

3529681028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6948322 (or 6948320 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 3529681028 is about 59411.1187236867. The cubic root of 3529681028 is about 1522.5742717553.

The spelling of 3529681028 in words is "three billion, five hundred twenty-nine million, six hundred eighty-one thousand, twenty-eight".