9991473803383 has 8 divisors (see below), whose sum is σ = 10342098186480. Its totient is φ = 9641255473920.

The previous prime is 9991473803321. The next prime is 9991473803393. The reversal of 9991473803383 is 3833083741999.

9991473803383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 9991473803383 - 2¹⁷ = 9991473672311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9991473803393) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101463333 + ... + 101561758.

It is an arithmetic number, because the mean of its divisors is an integer number (1292762273310).

Almost surely, 2^{9991473803383} is an apocalyptic number.

9991473803383 is a deficient number, since it is larger than the sum of its proper divisors (350624383097).

9991473803383 is a wasteful number, since it uses less digits than its factorization.

9991473803383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203026817.

The product of its (nonzero) digits is 105815808, while the sum is 67.

The spelling of 9991473803383 in words is "nine trillion, nine hundred ninety-one billion, four hundred seventy-three million, eight hundred three thousand, three hundred eighty-three".