918348443 has 2 divisors, whose sum is σ = 918348444. Its totient is φ = 918348442.

The previous prime is 918348391. The next prime is 918348503. The reversal of 918348443 is 344843819.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 918348443 - 2⁸ = 918348187 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 918348394 and 918348403.

It is not a weakly prime, because it can be changed into another prime (918348043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 459174221 + 459174222.

It is an arithmetic number, because the mean of its divisors is an integer number (459174222).

Almost surely, 2^918348443 is an apocalyptic number.

918348443 is a deficient number, since it is larger than the sum of its proper divisors (1).

918348443 is an equidigital number, since it uses as much as digits as its factorization.

918348443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 44.

The square root of 918348443 is about 30304.2644358843. The cubic root of 918348443 is about 972.0064899763.

The spelling of 918348443 in words is "nine hundred eighteen million, three hundred forty-eight thousand, four hundred forty-three".