9984428074265 has 16 divisors (see below), whose sum is σ = 12612230155200. Its totient is φ = 7566952882752.

The previous prime is 9984428074253. The next prime is 9984428074267. The reversal of 9984428074265 is 5624708244899.

It is a cyclic number.

It is not a de Polignac number, because 9984428074265 - 2¹⁰ = 9984428073241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9984428074195 and 9984428074204.

It is not an unprimeable number, because it can be changed into a prime (9984428074267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2471291 + ... + 5106479.

It is an arithmetic number, because the mean of its divisors is an integer number (788264384700).

Almost surely, 2^{9984428074265} is an apocalyptic number.

9984428074265 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

It is an amenable number.

9984428074265 is a deficient number, since it is larger than the sum of its proper divisors (2627802080935).

9984428074265 is a wasteful number, since it uses less digits than its factorization.

9984428074265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675096.

The product of its (nonzero) digits is 278691840, while the sum is 68.

The spelling of 9984428074265 in words is "nine trillion, nine hundred eighty-four billion, four hundred twenty-eight million, seventy-four thousand, two hundred sixty-five".