3438056729 has 2 divisors, whose sum is σ = 3438056730. Its totient is φ = 3438056728.

The previous prime is 3438056711. The next prime is 3438056737. The reversal of 3438056729 is 9276508343.

It is a happy number.

3438056729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2365363225 + 1072693504 = 48635^2 + 32752^2 .

It is an emirp because it is prime and its reverse (9276508343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3438056729 - 2¹² = 3438052633 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3438056789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1719028364 + 1719028365.

It is an arithmetic number, because the mean of its divisors is an integer number (1719028365).

Almost surely, 2^3438056729 is an apocalyptic number.

It is an amenable number.

3438056729 is a deficient number, since it is larger than the sum of its proper divisors (1).

3438056729 is an equidigital number, since it uses as much as digits as its factorization.

3438056729 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The square root of 3438056729 is about 58634.9446064376. The cubic root of 3438056729 is about 1509.2841553796.

The spelling of 3438056729 in words is "three billion, four hundred thirty-eight million, fifty-six thousand, seven hundred twenty-nine".