289660316401 has 3 divisors (see below), whose sum is σ = 289660854603. Its totient is φ = 289659778200.

The previous prime is 289660316399. The next prime is 289660316453. The reversal of 289660316401 is 104613066982.

The square root of 289660316401 is 538201.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 104613066982 = 2 ⋅52306533491.

It can be written as a sum of positive squares in only one way, i.e., 141188814001 + 148471502400 = 375751^2 + 385320^2 .

It is not a de Polignac number, because 289660316401 - 2¹ = 289660316399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (289660314401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 269101 + ... + 807301.

It is an arithmetic number, because the mean of its divisors is an integer number (96553618201).

Almost surely, 2^289660316401 is an apocalyptic number.

289660316401 is the 538201-st square number.

289660316401 is the 269101-st centered octagonal number.

It is an amenable number.

289660316401 is a deficient number, since it is larger than the sum of its proper divisors (538202).

289660316401 is an frugal number, since it uses more digits than its factorization.

289660316401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076402 (or 538201 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The spelling of 289660316401 in words is "two hundred eighty-nine billion, six hundred sixty million, three hundred sixteen thousand, four hundred one".