8381141479 has 2 divisors, whose sum is σ = 8381141480. Its totient is φ = 8381141478.

The previous prime is 8381141477. The next prime is 8381141497. The reversal of 8381141479 is 9741411838.

It is a happy number.

8381141479 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (8381141497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8381141479 - 2¹ = 8381141477 is a prime.

Together with 8381141477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8381141477) 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, 4190570739 + 4190570740.

It is an arithmetic number, because the mean of its divisors is an integer number (4190570740).

Almost surely, 2^8381141479 is an apocalyptic number.

8381141479 is a deficient number, since it is larger than the sum of its proper divisors (1).

8381141479 is an equidigital number, since it uses as much as digits as its factorization.

8381141479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193536, while the sum is 46.

The square root of 8381141479 is about 91548.5744236359. The cubic root of 8381141479 is about 2031.2703252006.

The spelling of 8381141479 in words is "eight billion, three hundred eighty-one million, one hundred forty-one thousand, four hundred seventy-nine".