6556535413 has 4 divisors (see below), whose sum is σ = 6556772160. Its totient is φ = 6556298668.

The previous prime is 6556535353. The next prime is 6556535417. The reversal of 6556535413 is 3145356556.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6556535413 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6556535413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6556535417) 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 3 ways as a sum of consecutive naturals, for example, 70333 + ... + 134386.

It is an arithmetic number, because the mean of its divisors is an integer number (1639193040).

Almost surely, 2^6556535413 is an apocalyptic number.

It is an amenable number.

6556535413 is a deficient number, since it is larger than the sum of its proper divisors (236747).

6556535413 is a wasteful number, since it uses less digits than its factorization.

6556535413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236746.

The product of its digits is 810000, while the sum is 43.

The square root of 6556535413 is about 80972.4361310687. The cubic root of 6556535413 is about 1871.6507117825.

The spelling of 6556535413 in words is "six billion, five hundred fifty-six million, five hundred thirty-five thousand, four hundred thirteen".