2388532821289 has 2 divisors, whose sum is σ = 2388532821290. Its totient is φ = 2388532821288.

The previous prime is 2388532821287. The next prime is 2388532821331. The reversal of 2388532821289 is 9821282358832.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1232692811289 + 1155840010000 = 1110267^2 + 1075100^2 .

It is a cyclic number.

It is not a de Polignac number, because 2388532821289 - 2¹ = 2388532821287 is a prime.

Together with 2388532821287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2388532821287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194266410644 + 1194266410645.

It is an arithmetic number, because the mean of its divisors is an integer number (1194266410645).

Almost surely, 2^{2388532821289} is an apocalyptic number.

It is an amenable number.

2388532821289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2388532821289 is an equidigital number, since it uses as much as digits as its factorization.

2388532821289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26542080, while the sum is 61.

The spelling of 2388532821289 in words is "two trillion, three hundred eighty-eight billion, five hundred thirty-two million, eight hundred twenty-one thousand, two hundred eighty-nine".