289738668706 has 32 divisors (see below), whose sum is σ = 458933529600. Its totient is φ = 136921110480.

The previous prime is 289738668697. The next prime is 289738668749. The reversal of 289738668706 is 607866837982.

It is a super-2 number, since 2×289738668706² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1241755 + ... + 1456513.

It is an arithmetic number, because the mean of its divisors is an integer number (14341672800).

Almost surely, 2^289738668706 is an apocalyptic number.

289738668706 is a deficient number, since it is larger than the sum of its proper divisors (169194860894).

289738668706 is a wasteful number, since it uses less digits than its factorization.

289738668706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215134.

The product of its (nonzero) digits is 292626432, while the sum is 70.

The spelling of 289738668706 in words is "two hundred eighty-nine billion, seven hundred thirty-eight million, six hundred sixty-eight thousand, seven hundred six".