6518309242368 has 480 divisors, whose sum is σ = 22632400505088. Its totient is φ = 1647301017600.

The previous prime is 6518309242297. The next prime is 6518309242381. The reversal of 6518309242368 is 8632429038156.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30526053 + ... + 30738843.

Almost surely, 2^{6518309242368} 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 6518309242368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11316200252544).

6518309242368 is an abundant number, since it is smaller than the sum of its proper divisors (16114091262720).

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

6518309242368 is a wasteful number, since it uses less digits than its factorization.

6518309242368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212874 (or 212851 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 57.

The spelling of 6518309242368 in words is "six trillion, five hundred eighteen billion, three hundred nine million, two hundred forty-two thousand, three hundred sixty-eight".