9909734403 has 16 divisors (see below), whose sum is σ = 13272768000. Its totient is φ = 6576660480.

The previous prime is 9909734371. The next prime is 9909734423. The reversal of 9909734403 is 3044379099.

It is not a de Polignac number, because 9909734403 - 2⁵ = 9909734371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9909734423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 637443 + ... + 652803.

It is an arithmetic number, because the mean of its divisors is an integer number (829548000).

Almost surely, 2^9909734403 is an apocalyptic number.

9909734403 is a deficient number, since it is larger than the sum of its proper divisors (3363033597).

9909734403 is a wasteful number, since it uses less digits than its factorization.

9909734403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16322.

The product of its (nonzero) digits is 734832, while the sum is 48.

The square root of 9909734403 is about 99547.6489074453. The cubic root of 9909734403 is about 2147.9327093225.

The spelling of 9909734403 in words is "nine billion, nine hundred nine million, seven hundred thirty-four thousand, four hundred three".