6458079644578 has 24 divisors (see below), whose sum is σ = 10226669076720. Its totient is φ = 3058232488920.

The previous prime is 6458079644567. The next prime is 6458079644581. The reversal of 6458079644578 is 8754469708546.

It is a self number, because there is not a number n which added to its sum of digits gives 6458079644578.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1325853 + ... + 3830671.

It is an arithmetic number, because the mean of its divisors is an integer number (426111211530).

Almost surely, 2^{6458079644578} is an apocalyptic number.

6458079644578 is a deficient number, since it is larger than the sum of its proper divisors (3768589432142).

6458079644578 is a wasteful number, since it uses less digits than its factorization.

6458079644578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2508430 (or 2508411 counting only the distinct ones).

The product of its (nonzero) digits is 1625702400, while the sum is 73.

The spelling of 6458079644578 in words is "six trillion, four hundred fifty-eight billion, seventy-nine million, six hundred forty-four thousand, five hundred seventy-eight".