6535941533 has 24 divisors (see below), whose sum is σ = 7892168256. Its totient is φ = 5349027200.

The previous prime is 6535941527. The next prime is 6535941547. The reversal of 6535941533 is 3351495356.

It is a happy number.

It is not a de Polignac number, because 6535941533 - 2⁶ = 6535941469 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6535940533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65888 + ... + 131958.

It is an arithmetic number, because the mean of its divisors is an integer number (328840344).

Almost surely, 2^6535941533 is an apocalyptic number.

It is an amenable number.

6535941533 is a deficient number, since it is larger than the sum of its proper divisors (1356226723).

6535941533 is a wasteful number, since it uses less digits than its factorization.

6535941533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66145 (or 66122 counting only the distinct ones).

The product of its digits is 729000, while the sum is 44.

The square root of 6535941533 is about 80845.1701278438. The cubic root of 6535941533 is about 1869.6890570338.

The spelling of 6535941533 in words is "six billion, five hundred thirty-five million, nine hundred forty-one thousand, five hundred thirty-three".