6509430665088 has 128 divisors (see below), whose sum is σ = 19600765699200. Its totient is φ = 1897485834240.

The previous prime is 6509430665063. The next prime is 6509430665093. The reversal of 6509430665088 is 8805660349056.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34220218 + ... + 34409913.

It is an arithmetic number, because the mean of its divisors is an integer number (153130982025).

Almost surely, 2^{6509430665088} is an apocalyptic number.

It is an amenable number.

6509430665088 is an abundant number, since it is smaller than the sum of its proper divisors (13091335034112).

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

6509430665088 is a wasteful number, since it uses less digits than its factorization.

6509430665088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68630180 (or 68630168 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 60.

The spelling of 6509430665088 in words is "six trillion, five hundred nine billion, four hundred thirty million, six hundred sixty-five thousand, eighty-eight".