9906044796405 has 32 divisors (see below), whose sum is σ = 17611355992320. Its totient is φ = 5283040985280.

The previous prime is 9906044796377. The next prime is 9906044796449. The reversal of 9906044796405 is 5046974406099.

9906044796405 is a `hidden beast` number, since 9 + 9 + 0 + 60 + 447 + 96 + 40 + 5 = 666.

It is not a de Polignac number, because 9906044796405 - 2¹⁸ = 9906044534261 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2689264 + ... + 5200406.

It is an arithmetic number, because the mean of its divisors is an integer number (550354874760).

Almost surely, 2^{9906044796405} is an apocalyptic number.

It is an amenable number.

9906044796405 is a deficient number, since it is larger than the sum of its proper divisors (7705311195915).

9906044796405 is a wasteful number, since it uses less digits than its factorization.

9906044796405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540378 (or 2540372 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 63.

The spelling of 9906044796405 in words is "nine trillion, nine hundred six billion, forty-four million, seven hundred ninety-six thousand, four hundred five".