289998754243207 has 2 divisors, whose sum is σ = 289998754243208. Its totient is φ = 289998754243206.

The previous prime is 289998754243141. The next prime is 289998754243223. The reversal of 289998754243207 is 702342457899982.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 289998754243207 - 2¹¹ = 289998754241159 is a prime.

It is a super-2 number, since 2×289998754243207² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289998754240207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144999377121603 + 144999377121604.

It is an arithmetic number, because the mean of its divisors is an integer number (144999377121604).

Almost surely, 2^{289998754243207} is an apocalyptic number.

289998754243207 is a deficient number, since it is larger than the sum of its proper divisors (1).

289998754243207 is an equidigital number, since it uses as much as digits as its factorization.

289998754243207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4389396480, while the sum is 79.

The spelling of 289998754243207 in words is "two hundred eighty-nine trillion, nine hundred ninety-eight billion, seven hundred fifty-four million, two hundred forty-three thousand, two hundred seven".