9561701044 has 54 divisors (see below), whose sum is σ = 19653117666. Its totient is φ = 4058621280.

The previous prime is 9561700957. The next prime is 9561701057. The reversal of 9561701044 is 4401071659.

It can be written as a sum of positive squares in only one way, i.e., 9480916900 + 80784144 = 97370^2 + 8988^2 .

It is a super-2 number, since 2×9561701044² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9561700994 and 9561701012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2241874 + ... + 2246134.

Almost surely, 2^9561701044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9561701044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9826558833).

9561701044 is an abundant number, since it is smaller than the sum of its proper divisors (10091416622).

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

9561701044 is a wasteful number, since it uses less digits than its factorization.

9561701044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4493 (or 4377 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 9561701044 is about 97783.9508508426. The cubic root of 9561701044 is about 2122.4870719610.

The spelling of 9561701044 in words is "nine billion, five hundred sixty-one million, seven hundred one thousand, forty-four".