6468856047439 has 8 divisors (see below), whose sum is σ = 6849411008400. Its totient is φ = 6088304866176.

The previous prime is 6468856047431. The next prime is 6468856047449. The reversal of 6468856047439 is 9347406588646.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6468856047439 - 2³ = 6468856047431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6468856047431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3064912 + ... + 4725610.

It is an arithmetic number, because the mean of its divisors is an integer number (856176376050).

Almost surely, 2^{6468856047439} is an apocalyptic number.

6468856047439 is a deficient number, since it is larger than the sum of its proper divisors (380554960961).

6468856047439 is a wasteful number, since it uses less digits than its factorization.

6468856047439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889849.

The product of its (nonzero) digits is 836075520, while the sum is 70.

The spelling of 6468856047439 in words is "six trillion, four hundred sixty-eight billion, eight hundred fifty-six million, forty-seven thousand, four hundred thirty-nine".