6464131055 has 4 divisors (see below), whose sum is σ = 7756957272. Its totient is φ = 5171304840.

The previous prime is 6464131049. The next prime is 6464131097. The reversal of 6464131055 is 5501314646.

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

It is not a de Polignac number, because 6464131055 - 2⁴ = 6464131039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 646413101 + ... + 646413110.

It is an arithmetic number, because the mean of its divisors is an integer number (1939239318).

Almost surely, 2^6464131055 is an apocalyptic number.

6464131055 is a deficient number, since it is larger than the sum of its proper divisors (1292826217).

6464131055 is a wasteful number, since it uses less digits than its factorization.

6464131055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292826216.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 6464131055 is about 80399.8199935796. The cubic root of 6464131055 is about 1862.8163922357.

The spelling of 6464131055 in words is "six billion, four hundred sixty-four million, one hundred thirty-one thousand, fifty-five".