618244843 has 2 divisors, whose sum is σ = 618244844. Its totient is φ = 618244842.

The previous prime is 618244829. The next prime is 618244849. The reversal of 618244843 is 348442816.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 618244843 - 2¹³ = 618236651 is a prime.

It is a super-4 number, since 4×618244843⁴ (a number of 36 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 618244796 and 618244805.

It is not a weakly prime, because it can be changed into another prime (618244849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309122421 + 309122422.

It is an arithmetic number, because the mean of its divisors is an integer number (309122422).

Almost surely, 2^618244843 is an apocalyptic number.

618244843 is a deficient number, since it is larger than the sum of its proper divisors (1).

618244843 is an equidigital number, since it uses as much as digits as its factorization.

618244843 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 147456, while the sum is 40.

The square root of 618244843 is about 24864.5298165881. The cubic root of 618244843 is about 851.8965003732.

The spelling of 618244843 in words is "six hundred eighteen million, two hundred forty-four thousand, eight hundred forty-three".