1729153073 has 2 divisors, whose sum is σ = 1729153074. Its totient is φ = 1729153072.

The previous prime is 1729153057. The next prime is 1729153081. The reversal of 1729153073 is 3703519271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1676329249 + 52823824 = 40943^2 + 7268^2 .

It is a cyclic number.

It is not a de Polignac number, because 1729153073 - 2⁴ = 1729153057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1729153093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 864576536 + 864576537.

It is an arithmetic number, because the mean of its divisors is an integer number (864576537).

Almost surely, 2^1729153073 is an apocalyptic number.

It is an amenable number.

1729153073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1729153073 is an equidigital number, since it uses as much as digits as its factorization.

1729153073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 1729153073 is about 41583.0863813642. The cubic root of 1729153073 is about 1200.2668556986.

The spelling of 1729153073 in words is "one billion, seven hundred twenty-nine million, one hundred fifty-three thousand, seventy-three".