318544012079 has 4 divisors (see below), whose sum is σ = 318858469176. Its totient is φ = 318229554984.

The previous prime is 318544012063. The next prime is 318544012093. The reversal of 318544012079 is 970210445813.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 970210445813 = 7 ⋅138601492259.

It is a cyclic number.

It is not a de Polignac number, because 318544012079 - 2⁴ = 318544012063 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 (318544012049) 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, 157227029 + ... + 157229054.

It is an arithmetic number, because the mean of its divisors is an integer number (79714617294).

Almost surely, 2^318544012079 is an apocalyptic number.

318544012079 is a deficient number, since it is larger than the sum of its proper divisors (314457097).

318544012079 is a wasteful number, since it uses less digits than its factorization.

318544012079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314457096.

The product of its (nonzero) digits is 241920, while the sum is 44.

The spelling of 318544012079 in words is "three hundred eighteen billion, five hundred forty-four million, twelve thousand, seventy-nine".