618941027 has 2 divisors, whose sum is σ = 618941028. Its totient is φ = 618941026.

The previous prime is 618940999. The next prime is 618941033. The reversal of 618941027 is 720149816.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 618941027 - 2⁶ = 618940963 is a prime.

It is not a weakly prime, because it can be changed into another prime (618941087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309470513 + 309470514.

It is an arithmetic number, because the mean of its divisors is an integer number (309470514).

Almost surely, 2^618941027 is an apocalyptic number.

618941027 is a deficient number, since it is larger than the sum of its proper divisors (1).

618941027 is an equidigital number, since it uses as much as digits as its factorization.

618941027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 618941027 is about 24878.5254185211. The cubic root of 618941027 is about 852.2161440898.

The spelling of 618941027 in words is "six hundred eighteen million, nine hundred forty-one thousand, twenty-seven".