9906647733 has 80 divisors (see below), whose sum is σ = 15459037440. Its totient is φ = 6318342144.

The previous prime is 9906647713. The next prime is 9906647741. The reversal of 9906647733 is 3377466099.

It is not a de Polignac number, because 9906647733 - 2⁵ = 9906647701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9906647733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9906647713) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 51329685 + ... + 51329877.

It is an arithmetic number, because the mean of its divisors is an integer number (193237968).

Almost surely, 2^9906647733 is an apocalyptic number.

It is an amenable number.

9906647733 is a deficient number, since it is larger than the sum of its proper divisors (5552389707).

9906647733 is a wasteful number, since it uses less digits than its factorization.

9906647733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 5143824, while the sum is 54.

The square root of 9906647733 is about 99532.1442198449. The cubic root of 9906647733 is about 2147.7096744873.

The spelling of 9906647733 in words is "nine billion, nine hundred six million, six hundred forty-seven thousand, seven hundred thirty-three".