289474063993 has 2 divisors, whose sum is σ = 289474063994. Its totient is φ = 289474063992.

The previous prime is 289474063937. The next prime is 289474064021. The reversal of 289474063993 is 399360474982.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 164063882304 + 125410181689 = 405048^2 + 354133^2 .

It is a cyclic number.

It is not a de Polignac number, because 289474063993 - 2²⁹ = 288937193081 is a prime.

It is not a weakly prime, because it can be changed into another prime (289474063493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144737031996 + 144737031997.

It is an arithmetic number, because the mean of its divisors is an integer number (144737031997).

Almost surely, 2^289474063993 is an apocalyptic number.

It is an amenable number.

289474063993 is a deficient number, since it is larger than the sum of its proper divisors (1).

289474063993 is an equidigital number, since it uses as much as digits as its factorization.

289474063993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70543872, while the sum is 64.

The spelling of 289474063993 in words is "two hundred eighty-nine billion, four hundred seventy-four million, sixty-three thousand, nine hundred ninety-three".