8434318379 has 2 divisors, whose sum is σ = 8434318380. Its totient is φ = 8434318378.

The previous prime is 8434318351. The next prime is 8434318421. The reversal of 8434318379 is 9738134348.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8434318379 - 2¹⁶ = 8434252843 is a prime.

It is a super-2 number, since 2×8434318379² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8434318349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4217159189 + 4217159190.

It is an arithmetic number, because the mean of its divisors is an integer number (4217159190).

Almost surely, 2^8434318379 is an apocalyptic number.

8434318379 is a deficient number, since it is larger than the sum of its proper divisors (1).

8434318379 is an equidigital number, since it uses as much as digits as its factorization.

8434318379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 50.

The square root of 8434318379 is about 91838.5451703151. The cubic root of 8434318379 is about 2035.5572914435.

The spelling of 8434318379 in words is "eight billion, four hundred thirty-four million, three hundred eighteen thousand, three hundred seventy-nine".