9999939827041 has 2 divisors, whose sum is σ = 9999939827042. Its totient is φ = 9999939827040.

The previous prime is 9999939826991. The next prime is 9999939827071. The reversal of 9999939827041 is 1407289399999.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7388225260641 + 2611714566400 = 2718129^2 + 1616080^2 .

It is a cyclic number.

It is not a de Polignac number, because 9999939827041 - 2¹⁷ = 9999939695969 is a prime.

It is not a weakly prime, because it can be changed into another prime (9999939827071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4999969913520 + 4999969913521.

It is an arithmetic number, because the mean of its divisors is an integer number (4999969913521).

Almost surely, 2^{9999939827041} is an apocalyptic number.

It is an amenable number.

9999939827041 is a deficient number, since it is larger than the sum of its proper divisors (1).

9999939827041 is an equidigital number, since it uses as much as digits as its factorization.

9999939827041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 714256704, while the sum is 79.

The spelling of 9999939827041 in words is "nine trillion, nine hundred ninety-nine billion, nine hundred thirty-nine million, eight hundred twenty-seven thousand, forty-one".