6455475811 has 4 divisors (see below), whose sum is σ = 6533252712. Its totient is φ = 6377698912.

The previous prime is 6455475799. The next prime is 6455475821. The reversal of 6455475811 is 1185745546.

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 6455475811 - 2⁵ = 6455475779 is a prime.

It is a super-2 number, since 2×6455475811² = 83346335892812215442, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6455475821) 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, 38888326 + ... + 38888491.

It is an arithmetic number, because the mean of its divisors is an integer number (1633313178).

Almost surely, 2^6455475811 is an apocalyptic number.

6455475811 is a deficient number, since it is larger than the sum of its proper divisors (77776901).

6455475811 is an equidigital number, since it uses as much as digits as its factorization.

6455475811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77776900.

The product of its digits is 672000, while the sum is 46.

The square root of 6455475811 is about 80345.9756988488. The cubic root of 6455475811 is about 1861.9846056829.

The spelling of 6455475811 in words is "six billion, four hundred fifty-five million, four hundred seventy-five thousand, eight hundred eleven".