2388532821209 has 2 divisors, whose sum is σ = 2388532821210. Its totient is φ = 2388532821208.

The previous prime is 2388532821197. The next prime is 2388532821247. The reversal of 2388532821209 is 9021282358832.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2347244613184 + 41288208025 = 1532072^2 + 203195^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2388532821209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2388532821289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194266410604 + 1194266410605.

It is an arithmetic number, because the mean of its divisors is an integer number (1194266410605).

Almost surely, 2^{2388532821209} is an apocalyptic number.

It is an amenable number.

2388532821209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2388532821209 is an equidigital number, since it uses as much as digits as its factorization.

2388532821209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 2388532821209 in words is "two trillion, three hundred eighty-eight billion, five hundred thirty-two million, eight hundred twenty-one thousand, two hundred nine".