918272728473 has 8 divisors (see below), whose sum is σ = 1224526547328. Its totient is φ = 612100364304.

The previous prime is 918272728459. The next prime is 918272728517. The reversal of 918272728473 is 374827272819.

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

It is not a de Polignac number, because 918272728473 - 2⁹ = 918272727961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (918272028473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20337361 + ... + 20382462.

It is an arithmetic number, because the mean of its divisors is an integer number (153065818416).

Almost surely, 2^918272728473 is an apocalyptic number.

It is an amenable number.

918272728473 is a deficient number, since it is larger than the sum of its proper divisors (306253818855).

918272728473 is a wasteful number, since it uses less digits than its factorization.

918272728473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40727343.

The product of its digits is 18966528, while the sum is 60.

The spelling of 918272728473 in words is "nine hundred eighteen billion, two hundred seventy-two million, seven hundred twenty-eight thousand, four hundred seventy-three".