2443202065 has 4 divisors (see below), whose sum is σ = 2931842484. Its totient is φ = 1954561648.

The previous prime is 2443202057. The next prime is 2443202131. The reversal of 2443202065 is 5602023442.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5602023442 = 2 ⋅2801011721.

It can be written as a sum of positive squares in 2 ways, for example, as 781090704 + 1662111361 = 27948^2 + 40769^2 .

It is a cyclic number.

It is not a de Polignac number, because 2443202065 - 2³ = 2443202057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244320202 + ... + 244320211.

It is an arithmetic number, because the mean of its divisors is an integer number (732960621).

Almost surely, 2^2443202065 is an apocalyptic number.

It is an amenable number.

2443202065 is a deficient number, since it is larger than the sum of its proper divisors (488640419).

2443202065 is an equidigital number, since it uses as much as digits as its factorization.

2443202065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488640418.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 2443202065 is about 49428.7574697159. The cubic root of 2443202065 is about 1346.8517521302.

The spelling of 2443202065 in words is "two billion, four hundred forty-three million, two hundred two thousand, sixty-five".