2002523521249 has 2 divisors, whose sum is σ = 2002523521250. Its totient is φ = 2002523521248.

The previous prime is 2002523521241. The next prime is 2002523521261. The reversal of 2002523521249 is 9421253252002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1879111831249 + 123411690000 = 1370807^2 + 351300^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002523521249 - 2³ = 2002523521241 is a prime.

It is not a weakly prime, because it can be changed into another prime (2002523521241) 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 as a sum of consecutive naturals, namely, 1001261760624 + 1001261760625.

It is an arithmetic number, because the mean of its divisors is an integer number (1001261760625).

Almost surely, 2^{2002523521249} is an apocalyptic number.

It is an amenable number.

2002523521249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002523521249 is an equidigital number, since it uses as much as digits as its factorization.

2002523521249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 86400, while the sum is 37.

The spelling of 2002523521249 in words is "two trillion, two billion, five hundred twenty-three million, five hundred twenty-one thousand, two hundred forty-nine".