9918732479275 has 6 divisors (see below), whose sum is σ = 12299228274332. Its totient is φ = 7934985983400.

The previous prime is 9918732479231. The next prime is 9918732479297. The reversal of 9918732479275 is 5729742378199.

It is not a de Polignac number, because 9918732479275 - 2¹³ = 9918732471083 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9918732479198 and 9918732479207.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 198374649561 + ... + 198374649610.

Almost surely, 2^{9918732479275} is an apocalyptic number.

9918732479275 is a deficient number, since it is larger than the sum of its proper divisors (2380495795057).

9918732479275 is a wasteful number, since it uses less digits than its factorization.

9918732479275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396749299181 (or 396749299176 counting only the distinct ones).

The product of its digits is 480090240, while the sum is 73.

The spelling of 9918732479275 in words is "nine trillion, nine hundred eighteen billion, seven hundred thirty-two million, four hundred seventy-nine thousand, two hundred seventy-five".