918711305249 has 8 divisors (see below), whose sum is σ = 976077249960. Its totient is φ = 863057776896.

The previous prime is 918711305167. The next prime is 918711305273. The reversal of 918711305249 is 942503117819.

It can be written as a sum of positive squares in 4 ways, for example, as 354007150225 + 564704155024 = 594985^2 + 751468^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-918711305249 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 918711305197 and 918711305206.

It is not an unprimeable number, because it can be changed into a prime (918711305549) 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, 428102984 + ... + 428105129.

It is an arithmetic number, because the mean of its divisors is an integer number (122009656245).

Almost surely, 2^918711305249 is an apocalyptic number.

It is an amenable number.

918711305249 is a deficient number, since it is larger than the sum of its proper divisors (57365944711).

918711305249 is a wasteful number, since it uses less digits than its factorization.

918711305249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856208179.

The product of its (nonzero) digits is 544320, while the sum is 50.

The spelling of 918711305249 in words is "nine hundred eighteen billion, seven hundred eleven million, three hundred five thousand, two hundred forty-nine".