864484204943 has 4 divisors (see below), whose sum is σ = 864501256800. Its totient is φ = 864467153088.

The previous prime is 864484204891. The next prime is 864484204951. The reversal of 864484204943 is 349402484468.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 864484204943 - 2⁶ = 864484204879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864484204973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8449655 + ... + 8551352.

It is an arithmetic number, because the mean of its divisors is an integer number (216125314200).

Almost surely, 2^864484204943 is an apocalyptic number.

864484204943 is a deficient number, since it is larger than the sum of its proper divisors (17051857).

864484204943 is a wasteful number, since it uses less digits than its factorization.

864484204943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17051856.

The product of its (nonzero) digits is 21233664, while the sum is 56.

The spelling of 864484204943 in words is "eight hundred sixty-four billion, four hundred eighty-four million, two hundred four thousand, nine hundred forty-three".