6487563136 has 16 divisors (see below), whose sum is σ = 12924442440. Its totient is φ = 3243781504.

The previous prime is 6487563107. The next prime is 6487563143. The reversal of 6487563136 is 6313657846.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 6487563136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25341916 + ... + 25342171.

Almost surely, 2^6487563136 is an apocalyptic number.

It is an amenable number.

6487563136 is a deficient number, since it is larger than the sum of its proper divisors (6436879304).

6487563136 is an equidigital number, since it uses as much as digits as its factorization.

6487563136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50684101 (or 50684089 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 49.

The square root of 6487563136 is about 80545.4103968687. The cubic root of 6487563136 is about 1865.0645432361.

The spelling of 6487563136 in words is "six billion, four hundred eighty-seven million, five hundred sixty-three thousand, one hundred thirty-six".