918418342743 has 72 divisors (see below), whose sum is σ = 1496872286208. Its totient is φ = 538129620000.

The previous prime is 918418342733. The next prime is 918418342763. The reversal of 918418342743 is 347243814819.

918418342743 is a `hidden beast` number, since 91 + 84 + 18 + 3 + 427 + 43 = 666.

It is not a de Polignac number, because 918418342743 - 2²⁰ = 918417294167 is a prime.

It is a super-3 number, since 3×918418342743³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 918418342743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (918418342733) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 109500796 + ... + 109509182.

It is an arithmetic number, because the mean of its divisors is an integer number (20789892864).

Almost surely, 2^918418342743 is an apocalyptic number.

918418342743 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

918418342743 is a deficient number, since it is larger than the sum of its proper divisors (578453943465).

918418342743 is a wasteful number, since it uses less digits than its factorization.

918418342743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9617 (or 9583 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 918418342743 in words is "nine hundred eighteen billion, four hundred eighteen million, three hundred forty-two thousand, seven hundred forty-three".