6475317539 has 4 divisors (see below), whose sum is σ = 6492961824. Its totient is φ = 6457673256.

The previous prime is 6475317529. The next prime is 6475317551. The reversal of 6475317539 is 9357135746.

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

It is a cyclic number.

It is not a de Polignac number, because 6475317539 - 2¹² = 6475313443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6475317529) 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, 8821592 + ... + 8822325.

It is an arithmetic number, because the mean of its divisors is an integer number (1623240456).

Almost surely, 2^6475317539 is an apocalyptic number.

6475317539 is a deficient number, since it is larger than the sum of its proper divisors (17644285).

6475317539 is a wasteful number, since it uses less digits than its factorization.

6475317539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17644284.

The product of its digits is 2381400, while the sum is 50.

The square root of 6475317539 is about 80469.3577643068. The cubic root of 6475317539 is about 1863.8903368769.

The spelling of 6475317539 in words is "six billion, four hundred seventy-five million, three hundred seventeen thousand, five hundred thirty-nine".