6473540505 has 8 divisors (see below), whose sum is σ = 10357664832. Its totient is φ = 3452554928.

The previous prime is 6473540431. The next prime is 6473540581. The reversal of 6473540505 is 5050453746.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6473540505 - 2²⁶ = 6406431641 is a prime.

It is a Curzon number.

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, 215784669 + ... + 215784698.

It is an arithmetic number, because the mean of its divisors is an integer number (1294708104).

Almost surely, 2^6473540505 is an apocalyptic number.

It is an amenable number.

6473540505 is a deficient number, since it is larger than the sum of its proper divisors (3884124327).

6473540505 is a wasteful number, since it uses less digits than its factorization.

6473540505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431569375.

The product of its (nonzero) digits is 252000, while the sum is 39.

The square root of 6473540505 is about 80458.3153253907. The cubic root of 6473540505 is about 1863.7198175925.

The spelling of 6473540505 in words is "six billion, four hundred seventy-three million, five hundred forty thousand, five hundred five".