289003639025 has 12 divisors (see below), whose sum is σ = 370721910300. Its totient is φ = 223230396480.

The previous prime is 289003638991. The next prime is 289003639027. The reversal of 289003639025 is 520936300982.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 32133072049 + 256870566976 = 179257^2 + 506824^2 .

It is not a de Polignac number, because 289003639025 - 2⁸ = 289003638769 is a prime.

It is not an unprimeable number, because it can be changed into a prime (289003639027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 199312130 + ... + 199313579.

It is an arithmetic number, because the mean of its divisors is an integer number (30893492525).

Almost surely, 2^289003639025 is an apocalyptic number.

289003639025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

289003639025 is a deficient number, since it is larger than the sum of its proper divisors (81718271275).

289003639025 is a wasteful number, since it uses less digits than its factorization.

289003639025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398625748 (or 398625743 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 47.

The spelling of 289003639025 in words is "two hundred eighty-nine billion, three million, six hundred thirty-nine thousand, twenty-five".