6463532136 has 32 divisors (see below), whose sum is σ = 16186393440. Its totient is φ = 2150835648.

The previous prime is 6463532111. The next prime is 6463532149. The reversal of 6463532136 is 6312353646.

It is a junction number, because it is equal to n+sod(n) for n = 6463532094 and 6463532103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215311 + ... + 243486.

It is an arithmetic number, because the mean of its divisors is an integer number (505824795).

Almost surely, 2^6463532136 is an apocalyptic number.

It is an amenable number.

6463532136 is an abundant number, since it is smaller than the sum of its proper divisors (9722861304).

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

6463532136 is a wasteful number, since it uses less digits than its factorization.

6463532136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459393 (or 459389 counting only the distinct ones).

The product of its digits is 233280, while the sum is 39.

The square root of 6463532136 is about 80396.0952783156. The cubic root of 6463532136 is about 1862.7588588215.

The spelling of 6463532136 in words is "six billion, four hundred sixty-three million, five hundred thirty-two thousand, one hundred thirty-six".