9545664533 has 2 divisors, whose sum is σ = 9545664534. Its totient is φ = 9545664532.

The previous prime is 9545664529. The next prime is 9545664571. The reversal of 9545664533 is 3354665459.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6959230084 + 2586434449 = 83422^2 + 50857^2 .

It is a cyclic number.

It is not a de Polignac number, because 9545664533 - 2² = 9545664529 is a prime.

It is a super-2 number, since 2×9545664533² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9545664503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4772832266 + 4772832267.

It is an arithmetic number, because the mean of its divisors is an integer number (4772832267).

Almost surely, 2^9545664533 is an apocalyptic number.

It is an amenable number.

9545664533 is a deficient number, since it is larger than the sum of its proper divisors (1).

9545664533 is an equidigital number, since it uses as much as digits as its factorization.

9545664533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832000, while the sum is 50.

The square root of 9545664533 is about 97701.9167314541. The cubic root of 9545664533 is about 2121.2998238783.

The spelling of 9545664533 in words is "nine billion, five hundred forty-five million, six hundred sixty-four thousand, five hundred thirty-three".