1729229041 has 2 divisors, whose sum is σ = 1729229042. Its totient is φ = 1729229040.

The previous prime is 1729229017. The next prime is 1729229087. The reversal of 1729229041 is 1409229271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1391588416 + 337640625 = 37304^2 + 18375^2 .

It is an emirp because it is prime and its reverse (1409229271) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1729229041 - 2⁵ = 1729229009 is a prime.

It is not a weakly prime, because it can be changed into another prime (1729229441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 864614520 + 864614521.

It is an arithmetic number, because the mean of its divisors is an integer number (864614521).

Almost surely, 2^1729229041 is an apocalyptic number.

It is an amenable number.

1729229041 is a deficient number, since it is larger than the sum of its proper divisors (1).

1729229041 is an equidigital number, since it uses as much as digits as its factorization.

1729229041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1729229041 is about 41583.9998196422. Note that the first 3 decimals coincide. The cubic root of 1729229041 is about 1200.2844328078.

The spelling of 1729229041 in words is "one billion, seven hundred twenty-nine million, two hundred twenty-nine thousand, forty-one".