201043440443 has 2 divisors, whose sum is σ = 201043440444. Its totient is φ = 201043440442.

The previous prime is 201043440431. The next prime is 201043440469. The reversal of 201043440443 is 344044340102.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201043440443 - 2³² = 196748473147 is a prime.

It is not a weakly prime, because it can be changed into another prime (201043440943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100521720221 + 100521720222.

It is an arithmetic number, because the mean of its divisors is an integer number (100521720222).

Almost surely, 2^201043440443 is an apocalyptic number.

201043440443 is a deficient number, since it is larger than the sum of its proper divisors (1).

201043440443 is an equidigital number, since it uses as much as digits as its factorization.

201043440443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 201043440443 its reverse (344044340102), we get a palindrome (545087780545).

The spelling of 201043440443 in words is "two hundred one billion, forty-three million, four hundred forty thousand, four hundred forty-three".