6468697632 has 48 divisors (see below), whose sum is σ = 16996936320. Its totient is φ = 2154124032.

The previous prime is 6468697619. The next prime is 6468697639. The reversal of 6468697632 is 2367968646.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (6468697639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67318 + ... + 132170.

It is an arithmetic number, because the mean of its divisors is an integer number (354102840).

Almost surely, 2^6468697632 is an apocalyptic number.

It is an amenable number.

6468697632 is an abundant number, since it is smaller than the sum of its proper divisors (10528238688).

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

6468697632 is a wasteful number, since it uses less digits than its factorization.

6468697632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65905 (or 65897 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 57.

The square root of 6468697632 is about 80428.2141539895. The cubic root of 6468697632 is about 1863.2549503871.

The spelling of 6468697632 in words is "six billion, four hundred sixty-eight million, six hundred ninety-seven thousand, six hundred thirty-two".