6458398458893 has 4 divisors (see below), whose sum is σ = 6458410892700. Its totient is φ = 6458386025088.

The previous prime is 6458398458829. The next prime is 6458398458949. The reversal of 6458398458893 is 3988548938546.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5002835836804 + 1455562622089 = 2236702^2 + 1206467^2 .

It is a cyclic number.

It is not a de Polignac number, because 6458398458893 - 2⁶ = 6458398458829 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 (6458398458803) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5402180 + ... + 6488477.

It is an arithmetic number, because the mean of its divisors is an integer number (1614602723175).

Almost surely, 2^{6458398458893} is an apocalyptic number.

It is an amenable number.

6458398458893 is a deficient number, since it is larger than the sum of its proper divisors (12433807).

6458398458893 is a wasteful number, since it uses less digits than its factorization.

6458398458893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12433806.

The product of its digits is 7166361600, while the sum is 80.

The spelling of 6458398458893 in words is "six trillion, four hundred fifty-eight billion, three hundred ninety-eight million, four hundred fifty-eight thousand, eight hundred ninety-three".