288131927989 has 2 divisors, whose sum is σ = 288131927990. Its totient is φ = 288131927988.

The previous prime is 288131927987. The next prime is 288131928017. The reversal of 288131927989 is 989729131882.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 240549049764 + 47582878225 = 490458^2 + 218135^2 .

It is a cyclic number.

It is not a de Polignac number, because 288131927989 - 2¹ = 288131927987 is a prime.

Together with 288131927987, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (288131927987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144065963994 + 144065963995.

It is an arithmetic number, because the mean of its divisors is an integer number (144065963995).

Almost surely, 2^288131927989 is an apocalyptic number.

It is an amenable number.

288131927989 is a deficient number, since it is larger than the sum of its proper divisors (1).

288131927989 is an equidigital number, since it uses as much as digits as its factorization.

288131927989 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31352832, while the sum is 67.

The spelling of 288131927989 in words is "two hundred eighty-eight billion, one hundred thirty-one million, nine hundred twenty-seven thousand, nine hundred eighty-nine".