289421880417 has 12 divisors (see below), whose sum is σ = 418527285904. Its totient is φ = 192729400920.

The previous prime is 289421880383. The next prime is 289421880467. The reversal of 289421880417 is 714088124982.

289421880417 is a `hidden beast` number, since 2 + 8 + 9 + 4 + 218 + 8 + 0 + 417 = 666.

It is not a de Polignac number, because 289421880417 - 2⁶ = 289421880353 is a prime.

It is a super-2 number, since 2×289421880417² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (289421880467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18201559 + ... + 18217452.

Almost surely, 2^289421880417 is an apocalyptic number.

It is an amenable number.

289421880417 is a deficient number, since it is larger than the sum of its proper divisors (129105405487).

289421880417 is a wasteful number, since it uses less digits than its factorization.

289421880417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36419900 (or 36419897 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 54.

The spelling of 289421880417 in words is "two hundred eighty-nine billion, four hundred twenty-one million, eight hundred eighty thousand, four hundred seventeen".