1323216364539 has 8 divisors (see below), whose sum is σ = 1811971958800. Its totient is φ = 858302506656.

The previous prime is 1323216364513. The next prime is 1323216364543. The reversal of 1323216364539 is 9354636123231.

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

It is not a de Polignac number, because 1323216364539 - 2⁹ = 1323216364027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1323216364559) 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, 5960433964 + ... + 5960434185.

It is an arithmetic number, because the mean of its divisors is an integer number (226496494850).

Almost surely, 2^{1323216364539} is an apocalyptic number.

1323216364539 is a deficient number, since it is larger than the sum of its proper divisors (488755594261).

1323216364539 is a wasteful number, since it uses less digits than its factorization.

1323216364539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11920868189.

The product of its digits is 2099520, while the sum is 48.

The spelling of 1323216364539 in words is "one trillion, three hundred twenty-three billion, two hundred sixteen million, three hundred sixty-four thousand, five hundred thirty-nine".