8642054272663 has 8 divisors (see below), whose sum is σ = 10106322604928. Its totient is φ = 7235208228024.

The previous prime is 8642054272639. The next prime is 8642054272681. The reversal of 8642054272663 is 3662724502468.

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

It is not a de Polignac number, because 8642054272663 - 2⁹ = 8642054272151 is a prime.

It is a super-2 number, since 2×8642054272663² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8642054272633) 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 7 ways as a sum of consecutive naturals, for example, 14355571581 + ... + 14355572182.

It is an arithmetic number, because the mean of its divisors is an integer number (1263290325616).

Almost surely, 2^{8642054272663} is an apocalyptic number.

8642054272663 is a deficient number, since it is larger than the sum of its proper divisors (1464268332265).

8642054272663 is a wasteful number, since it uses less digits than its factorization.

8642054272663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28711143813.

The product of its (nonzero) digits is 23224320, while the sum is 55.

The spelling of 8642054272663 in words is "eight trillion, six hundred forty-two billion, fifty-four million, two hundred seventy-two thousand, six hundred sixty-three".