6535665356 has 24 divisors (see below), whose sum is σ = 12479315520. Its totient is φ = 2970248400.

The previous prime is 6535665347. The next prime is 6535665371.

It is a happy number.

6535665356 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 391835 + ... + 408173.

It is an arithmetic number, because the mean of its divisors is an integer number (519971480).

Almost surely, 2^6535665356 is an apocalyptic number.

It is an amenable number.

6535665356 is a deficient number, since it is larger than the sum of its proper divisors (5943650164).

6535665356 is a wasteful number, since it uses less digits than its factorization.

6535665356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25445 (or 25443 counting only the distinct ones).

The product of its digits is 7290000, while the sum is 50.

The square root of 6535665356 is about 80843.4620485788. The cubic root of 6535665356 is about 1869.6627220171.

The spelling of 6535665356 in words is "six billion, five hundred thirty-five million, six hundred sixty-five thousand, three hundred fifty-six".