2042333509 has 2 divisors, whose sum is σ = 2042333510. Its totient is φ = 2042333508.

The previous prime is 2042333399. The next prime is 2042333521. The reversal of 2042333509 is 9053332402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1442328484 + 600005025 = 37978^2 + 24495^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042333509 - 2¹¹ = 2042331461 is a prime.

It is a super-2 number, since 2×2042333509² = 8342252323968506162, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2042333309) 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, 1021166754 + 1021166755.

It is an arithmetic number, because the mean of its divisors is an integer number (1021166755).

Almost surely, 2^2042333509 is an apocalyptic number.

It is an amenable number.

2042333509 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042333509 is an equidigital number, since it uses as much as digits as its factorization.

2042333509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 2042333509 is about 45192.1841583254. The cubic root of 2042333509 is about 1268.7485365672.

The spelling of 2042333509 in words is "two billion, forty-two million, three hundred thirty-three thousand, five hundred nine".