729201449 has 2 divisors, whose sum is σ = 729201450. Its totient is φ = 729201448.

The previous prime is 729201391. The next prime is 729201467. The reversal of 729201449 is 944102927.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 677821225 + 51380224 = 26035^2 + 7168^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-729201449 is a prime.

It is not a weakly prime, because it can be changed into another prime (729209449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 364600724 + 364600725.

It is an arithmetic number, because the mean of its divisors is an integer number (364600725).

Almost surely, 2^729201449 is an apocalyptic number.

It is an amenable number.

729201449 is a deficient number, since it is larger than the sum of its proper divisors (1).

729201449 is an equidigital number, since it uses as much as digits as its factorization.

729201449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 729201449 is about 27003.7302793521. The cubic root of 729201449 is about 900.0828931881.

The spelling of 729201449 in words is "seven hundred twenty-nine million, two hundred one thousand, four hundred forty-nine".