5635035021 has 64 divisors (see below), whose sum is σ = 9518192640. Its totient is φ = 2880541440.

The previous prime is 5635035019. The next prime is 5635035047. The reversal of 5635035021 is 1205305365.

It is not a de Polignac number, because 5635035021 - 2¹ = 5635035019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5635035021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5635035001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4103491 + ... + 4104863.

It is an arithmetic number, because the mean of its divisors is an integer number (148721760).

Almost surely, 2^5635035021 is an apocalyptic number.

It is an amenable number.

5635035021 is a deficient number, since it is larger than the sum of its proper divisors (3883157619).

5635035021 is a wasteful number, since it uses less digits than its factorization.

5635035021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 5635035021 is about 75066.8703290606. The cubic root of 5635035021 is about 1779.5036091114.

The spelling of 5635035021 in words is "five billion, six hundred thirty-five million, thirty-five thousand, twenty-one".