289920922698 has 32 divisors (see below), whose sum is σ = 632577526272. Its totient is φ = 87851660400.

The previous prime is 289920922693. The next prime is 289920922721. The reversal of 289920922698 is 896229029982.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (289920922693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2308965 + ... + 2431287.

It is an arithmetic number, because the mean of its divisors is an integer number (19768047696).

Almost surely, 2^289920922698 is an apocalyptic number.

289920922698 is an abundant number, since it is smaller than the sum of its proper divisors (342656603574).

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

289920922698 is a wasteful number, since it uses less digits than its factorization.

289920922698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158250.

The product of its (nonzero) digits is 40310784, while the sum is 66.

The spelling of 289920922698 in words is "two hundred eighty-nine billion, nine hundred twenty million, nine hundred twenty-two thousand, six hundred ninety-eight".