6463689804 has 108 divisors (see below), whose sum is σ = 19340787648. Its totient is φ = 1808009280.

The previous prime is 6463689787. The next prime is 6463689847. The reversal of 6463689804 is 4089863646.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 444 + ... + 113699.

Almost surely, 2^6463689804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6463689804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9670393824).

6463689804 is an abundant number, since it is smaller than the sum of its proper divisors (12877097844).

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

6463689804 is a wasteful number, since it uses less digits than its factorization.

6463689804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114188 (or 114172 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 54.

The square root of 6463689804 is about 80397.0758423464. The cubic root of 6463689804 is about 1862.7740050846.

The spelling of 6463689804 in words is "six billion, four hundred sixty-three million, six hundred eighty-nine thousand, eight hundred four".