289427598838 has 8 divisors (see below), whose sum is σ = 496161598032. Its totient is φ = 124040399496.

The previous prime is 289427598821. The next prime is 289427598839. The reversal of 289427598838 is 838895724982.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289427598839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10336699945 + ... + 10336699972.

It is an arithmetic number, because the mean of its divisors is an integer number (62020199754).

Almost surely, 2^289427598838 is an apocalyptic number.

289427598838 is a deficient number, since it is larger than the sum of its proper divisors (206733999194).

289427598838 is a wasteful number, since it uses less digits than its factorization.

289427598838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20673399926.

The product of its digits is 557383680, while the sum is 73.

The spelling of 289427598838 in words is "two hundred eighty-nine billion, four hundred twenty-seven million, five hundred ninety-eight thousand, eight hundred thirty-eight".