959543655971 has 2 divisors, whose sum is σ = 959543655972. Its totient is φ = 959543655970.

The previous prime is 959543655919. The next prime is 959543656021. The reversal of 959543655971 is 179556345959.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 959543655971 - 2⁶ = 959543655907 is a prime.

It is not a weakly prime, because it can be changed into another prime (959543655911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479771827985 + 479771827986.

It is an arithmetic number, because the mean of its divisors is an integer number (479771827986).

Almost surely, 2^959543655971 is an apocalyptic number.

959543655971 is a deficient number, since it is larger than the sum of its proper divisors (1).

959543655971 is an equidigital number, since it uses as much as digits as its factorization.

959543655971 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 229635000, while the sum is 68.

The spelling of 959543655971 in words is "nine hundred fifty-nine billion, five hundred forty-three million, six hundred fifty-five thousand, nine hundred seventy-one".