6480663236 has 12 divisors (see below), whose sum is σ = 11353219500. Its totient is φ = 3236886240.

The previous prime is 6480663229. The next prime is 6480663269. The reversal of 6480663236 is 6323660846.

It can be written as a sum of positive squares in 2 ways, for example, as 3868840000 + 2611823236 = 62200^2 + 51106^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857111 + ... + 864638.

It is an arithmetic number, because the mean of its divisors is an integer number (946101625).

Almost surely, 2^6480663236 is an apocalyptic number.

It is an amenable number.

6480663236 is a deficient number, since it is larger than the sum of its proper divisors (4872556264).

6480663236 is a wasteful number, since it uses less digits than its factorization.

6480663236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722694 (or 1722692 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 44.

The square root of 6480663236 is about 80502.5666423127. The cubic root of 6480663236 is about 1864.4031072190.

The spelling of 6480663236 in words is "six billion, four hundred eighty million, six hundred sixty-three thousand, two hundred thirty-six".