6464808806 has 4 divisors (see below), whose sum is σ = 9697213212. Its totient is φ = 3232404402.

The previous prime is 6464808787. The next prime is 6464808809. The reversal of 6464808806 is 6088084646.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464808809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1616202200 + ... + 1616202203.

It is an arithmetic number, because the mean of its divisors is an integer number (2424303303).

Almost surely, 2^6464808806 is an apocalyptic number.

6464808806 is a deficient number, since it is larger than the sum of its proper divisors (3232404406).

6464808806 is a wasteful number, since it uses less digits than its factorization.

6464808806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3232404405.

The product of its (nonzero) digits is 1769472, while the sum is 50.

The square root of 6464808806 is about 80404.0347619446. The cubic root of 6464808806 is about 1862.8814941311.

The spelling of 6464808806 in words is "six billion, four hundred sixty-four million, eight hundred eight thousand, eight hundred six".