9972447041 has 2 divisors, whose sum is σ = 9972447042. Its totient is φ = 9972447040.

The previous prime is 9972447029. The next prime is 9972447083. The reversal of 9972447041 is 1407442799.

It is a happy number.

9972447041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7687607041 + 2284840000 = 87679^2 + 47800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9972447041 is a prime.

It is not a weakly prime, because it can be changed into another prime (9972447011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4986223520 + 4986223521.

It is an arithmetic number, because the mean of its divisors is an integer number (4986223521).

Almost surely, 2^9972447041 is an apocalyptic number.

It is an amenable number.

9972447041 is a deficient number, since it is larger than the sum of its proper divisors (1).

9972447041 is an equidigital number, since it uses as much as digits as its factorization.

9972447041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 9972447041 is about 99862.1401783479. The cubic root of 9972447041 is about 2152.4541682527.

The spelling of 9972447041 in words is "nine billion, nine hundred seventy-two million, four hundred forty-seven thousand, forty-one".