3665243443 has 2 divisors, whose sum is σ = 3665243444. Its totient is φ = 3665243442.

The previous prime is 3665243411. The next prime is 3665243513. The reversal of 3665243443 is 3443425663.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3665243443 - 2⁵ = 3665243411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3665243396 and 3665243405.

It is not a weakly prime, because it can be changed into another prime (3665213443) 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, 1832621721 + 1832621722.

It is an arithmetic number, because the mean of its divisors is an integer number (1832621722).

Almost surely, 2^3665243443 is an apocalyptic number.

3665243443 is a deficient number, since it is larger than the sum of its proper divisors (1).

3665243443 is an equidigital number, since it uses as much as digits as its factorization.

3665243443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 40.

The square root of 3665243443 is about 60541.2540586995. The cubic root of 3665243443 is about 1541.8221310233.

The spelling of 3665243443 in words is "three billion, six hundred sixty-five million, two hundred forty-three thousand, four hundred forty-three".