213444043327 has 2 divisors, whose sum is σ = 213444043328. Its totient is φ = 213444043326.

The previous prime is 213444043321. The next prime is 213444043391. The reversal of 213444043327 is 723340444312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 213444043327 - 2⁷ = 213444043199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213444043321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106722021663 + 106722021664.

It is an arithmetic number, because the mean of its divisors is an integer number (106722021664).

Almost surely, 2^213444043327 is an apocalyptic number.

213444043327 is a deficient number, since it is larger than the sum of its proper divisors (1).

213444043327 is an equidigital number, since it uses as much as digits as its factorization.

213444043327 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 37.

Adding to 213444043327 its reverse (723340444312), we get a palindrome (936784487639).

The spelling of 213444043327 in words is "two hundred thirteen billion, four hundred forty-four million, forty-three thousand, three hundred twenty-seven".