1730315129 has 2 divisors, whose sum is σ = 1730315130. Its totient is φ = 1730315128.

The previous prime is 1730315113. The next prime is 1730315177. The reversal of 1730315129 is 9215130371.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1247502400 + 482812729 = 35320^2 + 21973^2 .

It is a cyclic number.

It is not a de Polignac number, because 1730315129 - 2⁴ = 1730315113 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1730315095 and 1730315104.

It is not a weakly prime, because it can be changed into another prime (1730315429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 865157564 + 865157565.

It is an arithmetic number, because the mean of its divisors is an integer number (865157565).

Almost surely, 2^1730315129 is an apocalyptic number.

It is an amenable number.

1730315129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1730315129 is an equidigital number, since it uses as much as digits as its factorization.

1730315129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5670, while the sum is 32.

The square root of 1730315129 is about 41597.0567348220. The cubic root of 1730315129 is about 1200.5356703362.

The spelling of 1730315129 in words is "one billion, seven hundred thirty million, three hundred fifteen thousand, one hundred twenty-nine".