8457653358842 has 8 divisors (see below), whose sum is σ = 12694404140532. Its totient is φ = 4226185312000.

The previous prime is 8457653358841. The next prime is 8457653358857. The reversal of 8457653358842 is 2488533567548.

It can be written as a sum of positive squares in 2 ways, for example, as 7122979169881 + 1334674188961 = 2668891^2 + 1155281^2 .

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

It is not an unprimeable number, because it can be changed into a prime (8457653358841) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1320679709 + ... + 1320686112.

Almost surely, 2^{8457653358842} is an apocalyptic number.

8457653358842 is a deficient number, since it is larger than the sum of its proper divisors (4236750781690).

8457653358842 is a wasteful number, since it uses less digits than its factorization.

8457653358842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641367424.

The product of its digits is 774144000, while the sum is 68.

The spelling of 8457653358842 in words is "eight trillion, four hundred fifty-seven billion, six hundred fifty-three million, three hundred fifty-eight thousand, eight hundred forty-two".