959998943 has 2 divisors, whose sum is σ = 959998944. Its totient is φ = 959998942.

The previous prime is 959998939. The next prime is 959999021. The reversal of 959998943 is 349899959.

It is a weak prime.

It is an emirp because it is prime and its reverse (349899959) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 959998943 - 2² = 959998939 is a prime.

It is a super-2 number, since 2×959998943² = 1843195941122234498, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 959998943.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (959998243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 479999471 + 479999472.

It is an arithmetic number, because the mean of its divisors is an integer number (479999472).

Almost surely, 2^959998943 is an apocalyptic number.

959998943 is a deficient number, since it is larger than the sum of its proper divisors (1).

959998943 is an equidigital number, since it uses as much as digits as its factorization.

959998943 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28343520, while the sum is 65.

The square root of 959998943 is about 30983.8497123905. The cubic root of 959998943 is about 986.4844676784.

The spelling of 959998943 in words is "nine hundred fifty-nine million, nine hundred ninety-eight thousand, nine hundred forty-three".