289106908469 has 4 divisors (see below), whose sum is σ = 289207330560. Its totient is φ = 289006486380.

The previous prime is 289106908423. The next prime is 289106908471. The reversal of 289106908469 is 964809601982.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-289106908469 is a prime.

It is a super-2 number, since 2×289106908469² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289106908969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50206727 + ... + 50212484.

It is an arithmetic number, because the mean of its divisors is an integer number (72301832640).

Almost surely, 2^289106908469 is an apocalyptic number.

It is an amenable number.

289106908469 is a deficient number, since it is larger than the sum of its proper divisors (100422091).

289106908469 is a wasteful number, since it uses less digits than its factorization.

289106908469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100422090.

The product of its (nonzero) digits is 13436928, while the sum is 62.

The spelling of 289106908469 in words is "two hundred eighty-nine billion, one hundred six million, nine hundred eight thousand, four hundred sixty-nine".