1729241089 has 4 divisors (see below), whose sum is σ = 1758550320. Its totient is φ = 1699931860.

The previous prime is 1729241077. The next prime is 1729241113. The reversal of 1729241089 is 9801429271.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1729241089 - 2⁹ = 1729240577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1729241389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14654527 + ... + 14654644.

It is an arithmetic number, because the mean of its divisors is an integer number (439637580).

Almost surely, 2^1729241089 is an apocalyptic number.

It is an amenable number.

1729241089 is a deficient number, since it is larger than the sum of its proper divisors (29309231).

1729241089 is an equidigital number, since it uses as much as digits as its factorization.

1729241089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29309230.

The product of its (nonzero) digits is 72576, while the sum is 43.

The square root of 1729241089 is about 41584.1446827995. The cubic root of 1729241089 is about 1200.2872203686.

The spelling of 1729241089 in words is "one billion, seven hundred twenty-nine million, two hundred forty-one thousand, eighty-nine".