9544988801 has 2 divisors, whose sum is σ = 9544988802. Its totient is φ = 9544988800.

The previous prime is 9544988777. The next prime is 9544988807. The reversal of 9544988801 is 1088894459.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5241760000 + 4303228801 = 72400^2 + 65599^2 .

It is an emirp because it is prime and its reverse (1088894459) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9544988801 is a prime.

It is a super-2 number, since 2×9544988801² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9544988807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4772494400 + 4772494401.

It is an arithmetic number, because the mean of its divisors is an integer number (4772494401).

Almost surely, 2^9544988801 is an apocalyptic number.

It is an amenable number.

9544988801 is a deficient number, since it is larger than the sum of its proper divisors (1).

9544988801 is an equidigital number, since it uses as much as digits as its factorization.

9544988801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3317760, while the sum is 56.

The square root of 9544988801 is about 97698.4585395287. The cubic root of 9544988801 is about 2121.2497675065.

The spelling of 9544988801 in words is "nine billion, five hundred forty-four million, nine hundred eighty-eight thousand, eight hundred one".