289384933064 has 8 divisors (see below), whose sum is σ = 542596749510. Its totient is φ = 144692466528.

The previous prime is 289384933051. The next prime is 289384933073. The reversal of 289384933064 is 460339483982.

It can be written as a sum of positive squares in only one way, i.e., 200784648100 + 88600284964 = 448090^2 + 297658^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 289384932994 and 289384933012.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18086558309 + ... + 18086558324.

Almost surely, 2^289384933064 is an apocalyptic number.

It is an amenable number.

289384933064 is a deficient number, since it is larger than the sum of its proper divisors (253211816446).

289384933064 is a wasteful number, since it uses less digits than its factorization.

289384933064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36173116639 (or 36173116635 counting only the distinct ones).

The product of its (nonzero) digits is 26873856, while the sum is 59.

The spelling of 289384933064 in words is "two hundred eighty-nine billion, three hundred eighty-four million, nine hundred thirty-three thousand, sixty-four".