889989706343 has 2 divisors, whose sum is σ = 889989706344. Its totient is φ = 889989706342.

The previous prime is 889989706303. The next prime is 889989706387. The reversal of 889989706343 is 343607989988.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 889989706343 - 2¹⁴ = 889989689959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (889989706303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 444994853171 + 444994853172.

It is an arithmetic number, because the mean of its divisors is an integer number (444994853172).

Almost surely, 2^889989706343 is an apocalyptic number.

889989706343 is a deficient number, since it is larger than the sum of its proper divisors (1).

889989706343 is an equidigital number, since it uses as much as digits as its factorization.

889989706343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564350976, while the sum is 74.

The spelling of 889989706343 in words is "eight hundred eighty-nine billion, nine hundred eighty-nine million, seven hundred six thousand, three hundred forty-three".