289254632279 has 16 divisors (see below), whose sum is σ = 294489748800. Its totient is φ = 284056657920.

The previous prime is 289254632267. The next prime is 289254632281. The reversal of 289254632279 is 972236452982.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-289254632279 is a prime.

It is a Smith number, since the sum of its digits (59) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289254632299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15953339 + ... + 15971459.

It is an arithmetic number, because the mean of its divisors is an integer number (18405609300).

Almost surely, 2^289254632279 is an apocalyptic number.

289254632279 is a deficient number, since it is larger than the sum of its proper divisors (5235116521).

289254632279 is a wasteful number, since it uses less digits than its factorization.

289254632279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19130.

The product of its digits is 26127360, while the sum is 59.

The spelling of 289254632279 in words is "two hundred eighty-nine billion, two hundred fifty-four million, six hundred thirty-two thousand, two hundred seventy-nine".