6533785401 has 32 divisors (see below), whose sum is σ = 10564915200. Its totient is φ = 3537345600.

The previous prime is 6533785387. The next prime is 6533785403. The reversal of 6533785401 is 1045873356.

6533785401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6533785401 - 2⁶ = 6533785337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6533785403) 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 31 ways as a sum of consecutive naturals, for example, 232351 + ... + 258948.

It is an arithmetic number, because the mean of its divisors is an integer number (330153600).

Almost surely, 2^6533785401 is an apocalyptic number.

It is an amenable number.

6533785401 is a deficient number, since it is larger than the sum of its proper divisors (4031129799).

6533785401 is a wasteful number, since it uses less digits than its factorization.

6533785401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491357.

The product of its (nonzero) digits is 302400, while the sum is 42.

The square root of 6533785401 is about 80831.8340816290. The cubic root of 6533785401 is about 1869.4834381106.

The spelling of 6533785401 in words is "six billion, five hundred thirty-three million, seven hundred eighty-five thousand, four hundred one".