289879376542 has 16 divisors (see below), whose sum is σ = 518541990912. Its totient is φ = 118832539320.

The previous prime is 289879376509. The next prime is 289879376543. The reversal of 289879376542 is 245673978982.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289879376543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450122934 + ... + 450123577.

It is an arithmetic number, because the mean of its divisors is an integer number (32408874432).

Almost surely, 2^289879376542 is an apocalyptic number.

289879376542 is a deficient number, since it is larger than the sum of its proper divisors (228662614370).

289879376542 is a wasteful number, since it uses less digits than its factorization.

289879376542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 900246543.

The product of its digits is 365783040, while the sum is 70.

The spelling of 289879376542 in words is "two hundred eighty-nine billion, eight hundred seventy-nine million, three hundred seventy-six thousand, five hundred forty-two".