289188664036 has 6 divisors (see below), whose sum is σ = 506080162070. Its totient is φ = 144594332016.

The previous prime is 289188664027. The next prime is 289188664103. The reversal of 289188664036 is 630466881982.

It can be written as a sum of positive squares in only one way, i.e., 283779944100 + 5408719936 = 532710^2 + 73544^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36148583001 + ... + 36148583008.

Almost surely, 2^289188664036 is an apocalyptic number.

It is an amenable number.

289188664036 is a deficient number, since it is larger than the sum of its proper divisors (216891498034).

289188664036 is a wasteful number, since it uses less digits than its factorization.

289188664036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72297166013 (or 72297166011 counting only the distinct ones).

The product of its (nonzero) digits is 23887872, while the sum is 61.

The spelling of 289188664036 in words is "two hundred eighty-nine billion, one hundred eighty-eight million, six hundred sixty-four thousand, thirty-six".