6535305953 has 6 divisors (see below), whose sum is σ = 7183435602. Its totient is φ = 5941187120.

The previous prime is 6535305913. The next prime is 6535305979. The reversal of 6535305953 is 3595035356.

It can be written as a sum of positive squares in only one way, i.e., 6533165584 + 2140369 = 80828^2 + 1463^2 .

It is not a de Polignac number, because 6535305953 - 2¹⁰ = 6535304929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6535305913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27005276 + ... + 27005517.

It is an arithmetic number, because the mean of its divisors is an integer number (1197239267).

Almost surely, 2^6535305953 is an apocalyptic number.

It is an amenable number.

6535305953 is a deficient number, since it is larger than the sum of its proper divisors (648129649).

6535305953 is a wasteful number, since it uses less digits than its factorization.

6535305953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54010815 (or 54010804 counting only the distinct ones).

The product of its (nonzero) digits is 911250, while the sum is 44.

The square root of 6535305953 is about 80841.2391852079. The cubic root of 6535305953 is about 1869.6284498264.

The spelling of 6535305953 in words is "six billion, five hundred thirty-five million, three hundred five thousand, nine hundred fifty-three".