8361273619 has 2 divisors, whose sum is σ = 8361273620. Its totient is φ = 8361273618.

The previous prime is 8361273617. The next prime is 8361273667. The reversal of 8361273619 is 9163721638.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8361273619 - 2¹ = 8361273617 is a prime.

It is a super-2 number, since 2×8361273619² (a number of 21 digits) contains 22 as substring.

Together with 8361273617, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8361273617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4180636809 + 4180636810.

It is an arithmetic number, because the mean of its divisors is an integer number (4180636810).

Almost surely, 2^8361273619 is an apocalyptic number.

8361273619 is a deficient number, since it is larger than the sum of its proper divisors (1).

8361273619 is an equidigital number, since it uses as much as digits as its factorization.

8361273619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 326592, while the sum is 46.

The square root of 8361273619 is about 91440.0001038933. Note that the first 3 decimals coincide. The cubic root of 8361273619 is about 2029.6639837119.

The spelling of 8361273619 in words is "eight billion, three hundred sixty-one million, two hundred seventy-three thousand, six hundred nineteen".