618310379 has 2 divisors, whose sum is σ = 618310380. Its totient is φ = 618310378.

The previous prime is 618310351. The next prime is 618310393. The reversal of 618310379 is 973013816.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 618310379 - 2¹⁶ = 618244843 is a prime.

It is not a weakly prime, because it can be changed into another prime (618310309) 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, 309155189 + 309155190.

It is an arithmetic number, because the mean of its divisors is an integer number (309155190).

Almost surely, 2^618310379 is an apocalyptic number.

618310379 is a deficient number, since it is larger than the sum of its proper divisors (1).

618310379 is an equidigital number, since it uses as much as digits as its factorization.

618310379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 618310379 is about 24865.8476429017. The cubic root of 618310379 is about 851.9266005927.

The spelling of 618310379 in words is "six hundred eighteen million, three hundred ten thousand, three hundred seventy-nine".