9959536427 has 2 divisors, whose sum is σ = 9959536428. Its totient is φ = 9959536426.

The previous prime is 9959536423. The next prime is 9959536441. The reversal of 9959536427 is 7246359599.

9959536427 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 is a cyclic number.

It is not a de Polignac number, because 9959536427 - 2² = 9959536423 is a prime.

It is not a weakly prime, because it can be changed into another prime (9959536423) 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, 4979768213 + 4979768214.

It is an arithmetic number, because the mean of its divisors is an integer number (4979768214).

Almost surely, 2^9959536427 is an apocalyptic number.

9959536427 is a deficient number, since it is larger than the sum of its proper divisors (1).

9959536427 is an equidigital number, since it uses as much as digits as its factorization.

9959536427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18370800, while the sum is 59.

The square root of 9959536427 is about 99797.4770572884. The cubic root of 9959536427 is about 2151.5248909550.

The spelling of 9959536427 in words is "nine billion, nine hundred fifty-nine million, five hundred thirty-six thousand, four hundred twenty-seven".