8342125045819 has 2 divisors, whose sum is σ = 8342125045820. Its totient is φ = 8342125045818.

The previous prime is 8342125045801. The next prime is 8342125045883. The reversal of 8342125045819 is 9185405212438.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8342125045819 - 2¹³ = 8342125037627 is a prime.

It is a super-2 number, since 2×8342125045819² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8342125040819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4171062522909 + 4171062522910.

It is an arithmetic number, because the mean of its divisors is an integer number (4171062522910).

Almost surely, 2^{8342125045819} is an apocalyptic number.

8342125045819 is a deficient number, since it is larger than the sum of its proper divisors (1).

8342125045819 is an equidigital number, since it uses as much as digits as its factorization.

8342125045819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2764800, while the sum is 52.

The spelling of 8342125045819 in words is "eight trillion, three hundred forty-two billion, one hundred twenty-five million, forty-five thousand, eight hundred nineteen".