6480482644 has 6 divisors (see below), whose sum is σ = 11340844634. Its totient is φ = 3240241320.

The previous prime is 6480482639. The next prime is 6480482653. The reversal of 6480482644 is 4462840846.

It can be written as a sum of positive squares in only one way, i.e., 3296137744 + 3184344900 = 57412^2 + 56430^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6480482594 and 6480482603.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 810060327 + ... + 810060334.

Almost surely, 2^6480482644 is an apocalyptic number.

It is an amenable number.

6480482644 is a deficient number, since it is larger than the sum of its proper divisors (4860361990).

6480482644 is a wasteful number, since it uses less digits than its factorization.

6480482644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620120665 (or 1620120663 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 46.

The square root of 6480482644 is about 80501.4449808201. Note that the first 3 decimals coincide. The cubic root of 6480482644 is about 1864.3857890629.

The spelling of 6480482644 in words is "six billion, four hundred eighty million, four hundred eighty-two thousand, six hundred forty-four".