3529728638 has 8 divisors (see below), whose sum is σ = 5298647832. Its totient is φ = 1763512696.

The previous prime is 3529728637. The next prime is 3529728641. The reversal of 3529728638 is 8368279253.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3529728638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3529728637) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 672545 + ... + 677772.

It is an arithmetic number, because the mean of its divisors is an integer number (662330979).

Almost surely, 2^3529728638 is an apocalyptic number.

3529728638 is a deficient number, since it is larger than the sum of its proper divisors (1768919194).

3529728638 is a wasteful number, since it uses less digits than its factorization.

3529728638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351626.

The product of its digits is 4354560, while the sum is 53.

The square root of 3529728638 is about 59411.5194049100. The cubic root of 3529728638 is about 1522.5811174575.

The spelling of 3529728638 in words is "three billion, five hundred twenty-nine million, seven hundred twenty-eight thousand, six hundred thirty-eight".