729374810429 has 2 divisors, whose sum is σ = 729374810430. Its totient is φ = 729374810428.

The previous prime is 729374810413. The next prime is 729374810449. The reversal of 729374810429 is 924018473927.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 720252650329 + 9122160100 = 848677^2 + 95510^2 .

It is an emirp because it is prime and its reverse (924018473927) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 729374810429 - 2⁴ = 729374810413 is a prime.

It is a super-2 number, since 2×729374810429² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (729374810449) 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, 364687405214 + 364687405215.

It is an arithmetic number, because the mean of its divisors is an integer number (364687405215).

Almost surely, 2^729374810429 is an apocalyptic number.

It is an amenable number.

729374810429 is a deficient number, since it is larger than the sum of its proper divisors (1).

729374810429 is an equidigital number, since it uses as much as digits as its factorization.

729374810429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6096384, while the sum is 56.

The spelling of 729374810429 in words is "seven hundred twenty-nine billion, three hundred seventy-four million, eight hundred ten thousand, four hundred twenty-nine".