9949243922 has 18 divisors (see below), whose sum is σ = 15037072437. Its totient is φ = 4937170000.

The previous prime is 9949243921. The next prime is 9949243939. The reversal of 9949243922 is 2293429499.

It can be written as a sum of positive squares in 2 ways, for example, as 9631655881 + 317588041 = 98141^2 + 17821^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=70531.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9949243921) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 35406422 + ... + 35406702.

Almost surely, 2^9949243922 is an apocalyptic number.

9949243922 is a deficient number, since it is larger than the sum of its proper divisors (5087828515).

9949243922 is an frugal number, since it uses more digits than its factorization.

9949243922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066 (or 534 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 53.

The square root of 9949243922 is about 99745.8967677368. The cubic root of 9949243922 is about 2150.7834838440.

The spelling of 9949243922 in words is "nine billion, nine hundred forty-nine million, two hundred forty-three thousand, nine hundred twenty-two".