318854434999 has 8 divisors (see below), whose sum is σ = 328823535600. Its totient is φ = 308989723200.

The previous prime is 318854434979. The next prime is 318854435033. The reversal of 318854434999 is 999434458813.

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

It is a cyclic number.

It is not a de Polignac number, because 318854434999 - 2⁵ = 318854434967 is a prime.

It is a super-2 number, since 2×318854434999² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318854434949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26090997 + ... + 26103214.

It is an arithmetic number, because the mean of its divisors is an integer number (41102941950).

Almost surely, 2^318854434999 is an apocalyptic number.

318854434999 is a deficient number, since it is larger than the sum of its proper divisors (9969100601).

318854434999 is a wasteful number, since it uses less digits than its factorization.

318854434999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52194401.

The product of its digits is 134369280, while the sum is 67.

The spelling of 318854434999 in words is "three hundred eighteen billion, eight hundred fifty-four million, four hundred thirty-four thousand, nine hundred ninety-nine".