289209974432 has 24 divisors (see below), whose sum is σ = 569397802176. Its totient is φ = 144601008832.

The previous prime is 289209974401. The next prime is 289209974441. The reversal of 289209974432 is 234479902982.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1312403 + ... + 1516845.

It is an arithmetic number, because the mean of its divisors is an integer number (23724908424).

Almost surely, 2^289209974432 is an apocalyptic number.

It is an amenable number.

289209974432 is a deficient number, since it is larger than the sum of its proper divisors (280187827744).

289209974432 is a wasteful number, since it uses less digits than its factorization.

289209974432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248660 (or 248652 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 289209974432 in words is "two hundred eighty-nine billion, two hundred nine million, nine hundred seventy-four thousand, four hundred thirty-two".