6533416405 has 4 divisors (see below), whose sum is σ = 7840099692. Its totient is φ = 5226733120.

The previous prime is 6533416349. The next prime is 6533416411. The reversal of 6533416405 is 5046143356.

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 1922734801 + 4610681604 = 43849^2 + 67902^2 .

It is not a de Polignac number, because 6533416405 - 2¹³ = 6533408213 is a prime.

It is a super-2 number, since 2×6533416405² = 85371059842246248050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653341636 + ... + 653341645.

It is an arithmetic number, because the mean of its divisors is an integer number (1960024923).

Almost surely, 2^6533416405 is an apocalyptic number.

It is an amenable number.

6533416405 is a deficient number, since it is larger than the sum of its proper divisors (1306683287).

6533416405 is a wasteful number, since it uses less digits than its factorization.

6533416405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306683286.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 6533416405 is about 80829.5515575832. The cubic root of 6533416405 is about 1869.4482443776.

The spelling of 6533416405 in words is "six billion, five hundred thirty-three million, four hundred sixteen thousand, four hundred five".