3535813821 has 16 divisors (see below), whose sum is σ = 4798889280. Its totient is φ = 2315089920.

The previous prime is 3535813819. The next prime is 3535813829. The reversal of 3535813821 is 1283185353.

3535813821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3535813821 - 2¹ = 3535813819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3535813821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3535813829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110845 + ... + 139133.

It is an arithmetic number, because the mean of its divisors is an integer number (299930580).

Almost surely, 2^3535813821 is an apocalyptic number.

It is an amenable number.

3535813821 is a deficient number, since it is larger than the sum of its proper divisors (1263075459).

3535813821 is a wasteful number, since it uses less digits than its factorization.

3535813821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29036.

The product of its digits is 86400, while the sum is 39.

The square root of 3535813821 is about 59462.7094993156. The cubic root of 3535813821 is about 1523.4555817995.

The spelling of 3535813821 in words is "three billion, five hundred thirty-five million, eight hundred thirteen thousand, eight hundred twenty-one".