865454424159 has 16 divisors (see below), whose sum is σ = 1242743943392. Its totient is φ = 532570128768.

The previous prime is 865454424113. The next prime is 865454424173. The reversal of 865454424159 is 951424454568.

It is not a de Polignac number, because 865454424159 - 2²⁸ = 865185988703 is a prime.

It is a super-2 number, since 2×865454424159² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 865454424099 and 865454424108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (865454425159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921789 + ... + 1606425.

It is an arithmetic number, because the mean of its divisors is an integer number (77671496462).

Almost surely, 2^865454424159 is an apocalyptic number.

865454424159 is a deficient number, since it is larger than the sum of its proper divisors (377289519233).

865454424159 is a wasteful number, since it uses less digits than its factorization.

865454424159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717066.

The product of its digits is 27648000, while the sum is 57.

The spelling of 865454424159 in words is "eight hundred sixty-five billion, four hundred fifty-four million, four hundred twenty-four thousand, one hundred fifty-nine".