618420083 has 2 divisors, whose sum is σ = 618420084. Its totient is φ = 618420082.

The previous prime is 618420043. The next prime is 618420107. The reversal of 618420083 is 380024816.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 618420083 - 2⁸ = 618419827 is a prime.

It is not a weakly prime, because it can be changed into another prime (618420043) 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, 309210041 + 309210042.

It is an arithmetic number, because the mean of its divisors is an integer number (309210042).

Almost surely, 2^618420083 is an apocalyptic number.

618420083 is a deficient number, since it is larger than the sum of its proper divisors (1).

618420083 is an equidigital number, since it uses as much as digits as its factorization.

618420083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 618420083 is about 24868.0534622234. The cubic root of 618420083 is about 851.9769821013.

Adding to 618420083 its reverse (380024816), we get a palindrome (998444899).

The spelling of 618420083 in words is "six hundred eighteen million, four hundred twenty thousand, eighty-three".