9917398441 has 16 divisors (see below), whose sum is σ = 10623614400. Its totient is φ = 9229828608.

The previous prime is 9917398433. The next prime is 9917398523. The reversal of 9917398441 is 1448937199.

It is a cyclic number.

It is not a de Polignac number, because 9917398441 - 2³ = 9917398433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9917398541) 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, 2680705 + ... + 2684401.

It is an arithmetic number, because the mean of its divisors is an integer number (663975900).

Almost surely, 2^9917398441 is an apocalyptic number.

It is an amenable number.

9917398441 is a deficient number, since it is larger than the sum of its proper divisors (706215959).

9917398441 is a wasteful number, since it uses less digits than its factorization.

9917398441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6168.

The product of its digits is 1959552, while the sum is 55.

The square root of 9917398441 is about 99586.1357870663. The cubic root of 9917398441 is about 2148.4862928085.

The spelling of 9917398441 in words is "nine billion, nine hundred seventeen million, three hundred ninety-eight thousand, four hundred forty-one".