9009791806365 has 48 divisors (see below), whose sum is σ = 17967753648000. Its totient is φ = 4091119249536.

The previous prime is 9009791806357. The next prime is 9009791806427. The reversal of 9009791806365 is 5636081979009.

9009791806365 is a `hidden beast` number, since 9 + 0 + 0 + 97 + 9 + 180 + 6 + 365 = 666.

It is not a de Polignac number, because 9009791806365 - 2³ = 9009791806357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 95934655 + ... + 96028524.

It is an arithmetic number, because the mean of its divisors is an integer number (374328201000).

Almost surely, 2^{9009791806365} is an apocalyptic number.

It is an amenable number.

9009791806365 is a deficient number, since it is larger than the sum of its proper divisors (8957961841635).

9009791806365 is a wasteful number, since it uses less digits than its factorization.

9009791806365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191963346 (or 191963343 counting only the distinct ones).

The product of its (nonzero) digits is 22044960, while the sum is 63.

The spelling of 9009791806365 in words is "nine trillion, nine billion, seven hundred ninety-one million, eight hundred six thousand, three hundred sixty-five".