9544764673 has 4 divisors (see below), whose sum is σ = 9675514948. Its totient is φ = 9414014400.

The previous prime is 9544764667. The next prime is 9544764689. The reversal of 9544764673 is 3764674459.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5185728144 + 4359036529 = 72012^2 + 66023^2 .

It is a cyclic number.

It is not a de Polignac number, because 9544764673 - 2¹⁷ = 9544633601 is a prime.

It is a super-2 number, since 2×9544764673² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9544764613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65375028 + ... + 65375173.

It is an arithmetic number, because the mean of its divisors is an integer number (2418878737).

Almost surely, 2^9544764673 is an apocalyptic number.

It is an amenable number.

9544764673 is a deficient number, since it is larger than the sum of its proper divisors (130750275).

9544764673 is a wasteful number, since it uses less digits than its factorization.

9544764673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130750274.

The product of its digits is 15240960, while the sum is 55.

The square root of 9544764673 is about 97697.3114932033. The cubic root of 9544764673 is about 2121.2331641978.

The spelling of 9544764673 in words is "nine billion, five hundred forty-four million, seven hundred sixty-four thousand, six hundred seventy-three".