4243150729 has 2 divisors, whose sum is σ = 4243150730. Its totient is φ = 4243150728.

The previous prime is 4243150697. The next prime is 4243150799. The reversal of 4243150729 is 9270513424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2835775504 + 1407375225 = 53252^2 + 37515^2 .

It is a cyclic number.

It is not a de Polignac number, because 4243150729 - 2⁵ = 4243150697 is a prime.

It is not a weakly prime, because it can be changed into another prime (4243150799) 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, 2121575364 + 2121575365.

It is an arithmetic number, because the mean of its divisors is an integer number (2121575365).

Almost surely, 2^4243150729 is an apocalyptic number.

It is an amenable number.

4243150729 is a deficient number, since it is larger than the sum of its proper divisors (1).

4243150729 is an equidigital number, since it uses as much as digits as its factorization.

4243150729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 4243150729 is about 65139.4713595375. The cubic root of 4243150729 is about 1618.9352767284.

The spelling of 4243150729 in words is "four billion, two hundred forty-three million, one hundred fifty thousand, seven hundred twenty-nine".