864612336489 has 8 divisors (see below), whose sum is σ = 1257617944032. Its totient is φ = 524007476640.

The previous prime is 864612336481. The next prime is 864612336547. The reversal of 864612336489 is 984633216468.

864612336489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 864612336489 - 2³ = 864612336481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (864612336481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13100186884 + ... + 13100186949.

It is an arithmetic number, because the mean of its divisors is an integer number (157202243004).

Almost surely, 2^864612336489 is an apocalyptic number.

It is an amenable number.

864612336489 is a deficient number, since it is larger than the sum of its proper divisors (393005607543).

864612336489 is a wasteful number, since it uses less digits than its factorization.

864612336489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26200373847.

The product of its digits is 35831808, while the sum is 60.

The spelling of 864612336489 in words is "eight hundred sixty-four billion, six hundred twelve million, three hundred thirty-six thousand, four hundred eighty-nine".