9932408081 has 2 divisors, whose sum is σ = 9932408082. Its totient is φ = 9932408080.

The previous prime is 9932408063. The next prime is 9932408089. The reversal of 9932408081 is 1808042399.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8870625856 + 1061782225 = 94184^2 + 32585^2 .

It is an emirp because it is prime and its reverse (1808042399) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9932408081 - 2¹⁴ = 9932391697 is a prime.

It is a super-2 number, since 2×9932408081² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (9932408089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4966204040 + 4966204041.

It is an arithmetic number, because the mean of its divisors is an integer number (4966204041).

Almost surely, 2^9932408081 is an apocalyptic number.

It is an amenable number.

9932408081 is a deficient number, since it is larger than the sum of its proper divisors (1).

9932408081 is an equidigital number, since it uses as much as digits as its factorization.

9932408081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 9932408081 is about 99661.4673833373. The cubic root of 9932408081 is about 2149.5696330585.

The spelling of 9932408081 in words is "nine billion, nine hundred thirty-two million, four hundred eight thousand, eighty-one".