4129212539 has 2 divisors, whose sum is σ = 4129212540. Its totient is φ = 4129212538.

The previous prime is 4129212523. The next prime is 4129212547. The reversal of 4129212539 is 9352129214.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4129212539 - 2⁴ = 4129212523 is a prime.

It is not a weakly prime, because it can be changed into another prime (4129212509) 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, 2064606269 + 2064606270.

It is an arithmetic number, because the mean of its divisors is an integer number (2064606270).

Almost surely, 2^4129212539 is an apocalyptic number.

4129212539 is a deficient number, since it is larger than the sum of its proper divisors (1).

4129212539 is an equidigital number, since it uses as much as digits as its factorization.

4129212539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 38.

The square root of 4129212539 is about 64258.9490966044. The cubic root of 4129212539 is about 1604.3129131406.

The spelling of 4129212539 in words is "four billion, one hundred twenty-nine million, two hundred twelve thousand, five hundred thirty-nine".