6476470644 has 48 divisors (see below), whose sum is σ = 18179571200. Its totient is φ = 1753029216.

The previous prime is 6476470643. The next prime is 6476470673. The reversal of 6476470644 is 4460746746.

It is a junction number, because it is equal to n+sod(n) for n = 6476470593 and 6476470602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6476470643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2027374 + ... + 2030565.

Almost surely, 2^6476470644 is an apocalyptic number.

It is an amenable number.

6476470644 is an abundant number, since it is smaller than the sum of its proper divisors (11703100556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6476470644 is a wasteful number, since it uses less digits than its factorization.

6476470644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057972 (or 4057970 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 48.

The square root of 6476470644 is about 80476.5223155176. The cubic root of 6476470644 is about 1864.0009689650. Note that the first 3 decimals are identical.

The spelling of 6476470644 in words is "six billion, four hundred seventy-six million, four hundred seventy thousand, six hundred forty-four".