289695006636 has 48 divisors (see below), whose sum is σ = 772849136640. Its totient is φ = 82734739200.

The previous prime is 289695006619. The next prime is 289695006659. The reversal of 289695006636 is 636600596982.

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 289695006636.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535981 + ... + 930948.

It is an arithmetic number, because the mean of its divisors is an integer number (16101023680).

Almost surely, 2^289695006636 is an apocalyptic number.

It is an amenable number.

289695006636 is an abundant number, since it is smaller than the sum of its proper divisors (483154130004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289695006636 is a wasteful number, since it uses less digits than its factorization.

289695006636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1469294 (or 1469292 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 60.

The spelling of 289695006636 in words is "two hundred eighty-nine billion, six hundred ninety-five million, six thousand, six hundred thirty-six".