6480631512 has 48 divisors (see below), whose sum is σ = 17558789040. Its totient is φ = 2159339328.

The previous prime is 6480631459. The next prime is 6480631513. The reversal of 6480631512 is 2151360846.

It is a happy number.

6480631512 is a `hidden beast` number, since 6 + 4 + 8 + 0 + 631 + 5 + 12 = 666.

It is a super-2 number, since 2×6480631512² = 83997169588654812288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6480631513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 175933 + ... + 209555.

It is an arithmetic number, because the mean of its divisors is an integer number (365808105).

Almost surely, 2^6480631512 is an apocalyptic number.

It is an amenable number.

6480631512 is an abundant number, since it is smaller than the sum of its proper divisors (11078157528).

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

6480631512 is a wasteful number, since it uses less digits than its factorization.

6480631512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36312 (or 36305 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 6480631512 is about 80502.3696048756. The cubic root of 6480631512 is about 1864.4000650190.

The spelling of 6480631512 in words is "six billion, four hundred eighty million, six hundred thirty-one thousand, five hundred twelve".