202004345489 has 2 divisors, whose sum is σ = 202004345490. Its totient is φ = 202004345488.

The previous prime is 202004345443. The next prime is 202004345497. The reversal of 202004345489 is 984543400202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138452456464 + 63551889025 = 372092^2 + 252095^2 .

It is a cyclic number.

It is not a de Polignac number, because 202004345489 - 2²⁴ = 201987568273 is a prime.

It is not a weakly prime, because it can be changed into another prime (202004345089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101002172744 + 101002172745.

It is an arithmetic number, because the mean of its divisors is an integer number (101002172745).

Almost surely, 2^202004345489 is an apocalyptic number.

It is an amenable number.

202004345489 is a deficient number, since it is larger than the sum of its proper divisors (1).

202004345489 is an equidigital number, since it uses as much as digits as its factorization.

202004345489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 202004345489 in words is "two hundred two billion, four million, three hundred forty-five thousand, four hundred eighty-nine".