868452254869 has 8 divisors (see below), whose sum is σ = 919555044480. Its totient is φ = 817351394496.

The previous prime is 868452254867. The next prime is 868452254909. The reversal of 868452254869 is 968452254868.

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 868452254869 - 2¹ = 868452254867 is a prime.

It is a super-2 number, since 2×868452254869² (a number of 25 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 (868452254861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 501882 + ... + 1410244.

It is an arithmetic number, because the mean of its divisors is an integer number (114944380560).

Almost surely, 2^868452254869 is an apocalyptic number.

It is an amenable number.

868452254869 is a deficient number, since it is larger than the sum of its proper divisors (51102789611).

868452254869 is a wasteful number, since it uses less digits than its factorization.

868452254869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964619.

The product of its digits is 265420800, while the sum is 67.

Subtracting 868452254869 from its reverse (968452254868), we obtain a palindrome (99999999999).

The spelling of 868452254869 in words is "eight hundred sixty-eight billion, four hundred fifty-two million, two hundred fifty-four thousand, eight hundred sixty-nine".