4139054729 has 2 divisors, whose sum is σ = 4139054730. Its totient is φ = 4139054728.

The previous prime is 4139054713. The next prime is 4139054747. The reversal of 4139054729 is 9274509314.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3545011600 + 594043129 = 59540^2 + 24373^2 .

It is a cyclic number.

It is not a de Polignac number, because 4139054729 - 2⁴ = 4139054713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4139054729.

It is not a weakly prime, because it can be changed into another prime (4139054749) 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, 2069527364 + 2069527365.

It is an arithmetic number, because the mean of its divisors is an integer number (2069527365).

Almost surely, 2^4139054729 is an apocalyptic number.

It is an amenable number.

4139054729 is a deficient number, since it is larger than the sum of its proper divisors (1).

4139054729 is an equidigital number, since it uses as much as digits as its factorization.

4139054729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 4139054729 is about 64335.4857679648. The cubic root of 4139054729 is about 1605.5865557993.

The spelling of 4139054729 in words is "four billion, one hundred thirty-nine million, fifty-four thousand, seven hundred twenty-nine".