289338380741 has 2 divisors, whose sum is σ = 289338380742. Its totient is φ = 289338380740.

The previous prime is 289338380729. The next prime is 289338380759. The reversal of 289338380741 is 147083833982.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 233043700516 + 56294680225 = 482746^2 + 237265^2 .

It is a cyclic number.

It is not a de Polignac number, because 289338380741 - 2⁶ = 289338380677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289338380141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144669190370 + 144669190371.

It is an arithmetic number, because the mean of its divisors is an integer number (144669190371).

Almost surely, 2^289338380741 is an apocalyptic number.

It is an amenable number.

289338380741 is a deficient number, since it is larger than the sum of its proper divisors (1).

289338380741 is an equidigital number, since it uses as much as digits as its factorization.

289338380741 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 56.

The spelling of 289338380741 in words is "two hundred eighty-nine billion, three hundred thirty-eight million, three hundred eighty thousand, seven hundred forty-one".