289473976343 has 2 divisors, whose sum is σ = 289473976344. Its totient is φ = 289473976342.

The previous prime is 289473976321. The next prime is 289473976349. The reversal of 289473976343 is 343679374982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 289473976343 - 2²⁰ = 289472927767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 289473976343.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289473976349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144736988171 + 144736988172.

It is an arithmetic number, because the mean of its divisors is an integer number (144736988172).

Almost surely, 2^289473976343 is an apocalyptic number.

289473976343 is a deficient number, since it is larger than the sum of its proper divisors (1).

289473976343 is an equidigital number, since it uses as much as digits as its factorization.

289473976343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 164602368, while the sum is 65.

The spelling of 289473976343 in words is "two hundred eighty-nine billion, four hundred seventy-three million, nine hundred seventy-six thousand, three hundred forty-three".