9934554399 has 16 divisors (see below), whose sum is σ = 16514584320. Its totient is φ = 5160807360.

The previous prime is 9934554341. The next prime is 9934554403.

9934554399 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9934554399 - 2¹¹ = 9934552351 is a prime.

It is a super-2 number, since 2×9934554399² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9934554319) 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, 21503134 + ... + 21503595.

It is an arithmetic number, because the mean of its divisors is an integer number (1032161520).

Almost surely, 2^9934554399 is an apocalyptic number.

9934554399 is a deficient number, since it is larger than the sum of its proper divisors (6580029921).

9934554399 is a wasteful number, since it uses less digits than its factorization.

9934554399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43006750.

The product of its digits is 23619600, while the sum is 60.

The square root of 9934554399 is about 99672.2348450159. The cubic root of 9934554399 is about 2149.7244571344.

The spelling of 9934554399 in words is "nine billion, nine hundred thirty-four million, five hundred fifty-four thousand, three hundred ninety-nine".