6476548009 has 4 divisors (see below), whose sum is σ = 6478771204. Its totient is φ = 6474324816.

The previous prime is 6476547997. The next prime is 6476548027. The reversal of 6476548009 is 9008456746.

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 3814297600 + 2662250409 = 61760^2 + 51597^2 .

It is a cyclic number.

It is not a de Polignac number, because 6476548009 - 2⁷ = 6476547881 is a prime.

It is a super-2 number, since 2×6476548009² = 83891348225763728162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6476548609) 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, 1107222 + ... + 1113055.

It is an arithmetic number, because the mean of its divisors is an integer number (1619692801).

Almost surely, 2^6476548009 is an apocalyptic number.

It is an amenable number.

6476548009 is a deficient number, since it is larger than the sum of its proper divisors (2223195).

6476548009 is a wasteful number, since it uses less digits than its factorization.

6476548009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223194.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The square root of 6476548009 is about 80477.0029822185. The cubic root of 6476548009 is about 1864.0083911073.

The spelling of 6476548009 in words is "six billion, four hundred seventy-six million, five hundred forty-eight thousand, nine".