2938448729 has 2 divisors, whose sum is σ = 2938448730. Its totient is φ = 2938448728.

The previous prime is 2938448719. The next prime is 2938448771. The reversal of 2938448729 is 9278448392.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2629638400 + 308810329 = 51280^2 + 17573^2 .

It is a cyclic number.

It is not a de Polignac number, because 2938448729 - 2²⁸ = 2670013273 is a prime.

It is not a weakly prime, because it can be changed into another prime (2938448719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1469224364 + 1469224365.

It is an arithmetic number, because the mean of its divisors is an integer number (1469224365).

Almost surely, 2^2938448729 is an apocalyptic number.

It is an amenable number.

2938448729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2938448729 is an equidigital number, since it uses as much as digits as its factorization.

2938448729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6967296, while the sum is 56.

The square root of 2938448729 is about 54207.4600862280. The cubic root of 2938448729 is about 1432.3177451084.

The spelling of 2938448729 in words is "two billion, nine hundred thirty-eight million, four hundred forty-eight thousand, seven hundred twenty-nine".