8425029839 has 2 divisors, whose sum is σ = 8425029840. Its totient is φ = 8425029838.

The previous prime is 8425029793. The next prime is 8425029901. The reversal of 8425029839 is 9389205248.

8425029839 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8425029839 - 2³² = 4130062543 is a prime.

It is a super-2 number, since 2×8425029839² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8425029139) 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, 4212514919 + 4212514920.

It is an arithmetic number, because the mean of its divisors is an integer number (4212514920).

Almost surely, 2^8425029839 is an apocalyptic number.

8425029839 is a deficient number, since it is larger than the sum of its proper divisors (1).

8425029839 is an equidigital number, since it uses as much as digits as its factorization.

8425029839 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1244160, while the sum is 50.

The square root of 8425029839 is about 91787.9612966755. The cubic root of 8425029839 is about 2034.8097779523.

The spelling of 8425029839 in words is "eight billion, four hundred twenty-five million, twenty-nine thousand, eight hundred thirty-nine".