9684199044 has 36 divisors (see below), whose sum is σ = 26362543116. Its totient is φ = 2979753408.

The previous prime is 9684199037. The next prime is 9684199079. The reversal of 9684199044 is 4409914869.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5602522500 + 4081676544 = 74850^2 + 63888^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×9684199044² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10345899 + ... + 10346834.

Almost surely, 2^9684199044 is an apocalyptic number.

It is an amenable number.

9684199044 is an abundant number, since it is smaller than the sum of its proper divisors (16678344072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9684199044 is a wasteful number, since it uses less digits than its factorization.

9684199044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20692756 (or 20692751 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 9684199044 is about 98408.3281231827. The cubic root of 9684199044 is about 2131.5125908777.

The spelling of 9684199044 in words is "nine billion, six hundred eighty-four million, one hundred ninety-nine thousand, forty-four".