9910403409721 has 8 divisors (see below), whose sum is σ = 10484957926080. Its totient is φ = 9341144327088.

The previous prime is 9910403409703. The next prime is 9910403409727. The reversal of 9910403409721 is 1279043040199.

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

It is a cyclic number.

It is not a de Polignac number, because 9910403409721 - 2¹³ = 9910403401529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9910403409727) 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, 1323854581 + ... + 1323862066.

It is an arithmetic number, because the mean of its divisors is an integer number (1310619740760).

Almost surely, 2^{9910403409721} is an apocalyptic number.

It is an amenable number.

9910403409721 is a deficient number, since it is larger than the sum of its proper divisors (574554516359).

9910403409721 is a wasteful number, since it uses less digits than its factorization.

9910403409721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647716863.

The product of its (nonzero) digits is 489888, while the sum is 49.

The spelling of 9910403409721 in words is "nine trillion, nine hundred ten billion, four hundred three million, four hundred nine thousand, seven hundred twenty-one".