6500556413 has 4 divisors (see below), whose sum is σ = 7000599228. Its totient is φ = 6000513600.

The previous prime is 6500556409. The next prime is 6500556473. The reversal of 6500556413 is 3146550056.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3324444964 + 3176111449 = 57658^2 + 56357^2 .

It is a cyclic number.

It is not a de Polignac number, because 6500556413 - 2² = 6500556409 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6500556473) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250021388 + ... + 250021413.

It is an arithmetic number, because the mean of its divisors is an integer number (1750149807).

Almost surely, 2^6500556413 is an apocalyptic number.

It is an amenable number.

6500556413 is a deficient number, since it is larger than the sum of its proper divisors (500042815).

6500556413 is a wasteful number, since it uses less digits than its factorization.

6500556413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500042814.

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 6500556413 is about 80626.0281360802. The cubic root of 6500556413 is about 1866.3088286259.

The spelling of 6500556413 in words is "six billion, five hundred million, five hundred fifty-six thousand, four hundred thirteen".