6480894938 has 36 divisors (see below), whose sum is σ = 12012888510. Its totient is φ = 2614131072.

The previous prime is 6480894929. The next prime is 6480894967. The reversal of 6480894938 is 8394980846.

It can be written as a sum of positive squares in 3 ways, for example, as 5831307769 + 649587169 = 76363^2 + 25487^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 86093 + ... + 142736.

Almost surely, 2^6480894938 is an apocalyptic number.

6480894938 is a deficient number, since it is larger than the sum of its proper divisors (5531993572).

6480894938 is a wasteful number, since it uses less digits than its factorization.

6480894938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228879 (or 228855 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 59.

The square root of 6480894938 is about 80504.0057264233. The cubic root of 6480894938 is about 1864.4253261784.

The spelling of 6480894938 in words is "six billion, four hundred eighty million, eight hundred ninety-four thousand, nine hundred thirty-eight".