9611228943 has 6 divisors (see below), whose sum is σ = 13882886264. Its totient is φ = 6407485956.

The previous prime is 9611228929. The next prime is 9611228947. The reversal of 9611228943 is 3498221169.

9611228943 is a `hidden beast` number, since 9 + 611 + 2 + 28 + 9 + 4 + 3 = 666.

It is not a de Polignac number, because 9611228943 - 2⁸ = 9611228687 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9611228947) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 533957155 + ... + 533957172.

Almost surely, 2^9611228943 is an apocalyptic number.

9611228943 is a deficient number, since it is larger than the sum of its proper divisors (4271657321).

9611228943 is a wasteful number, since it uses less digits than its factorization.

9611228943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067914333 (or 1067914330 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 9611228943 is about 98036.8754245054. The cubic root of 9611228943 is about 2126.1454635806.

The spelling of 9611228943 in words is "nine billion, six hundred eleven million, two hundred twenty-eight thousand, nine hundred forty-three".