1730143013 has 2 divisors, whose sum is σ = 1730143014. Its totient is φ = 1730143012.

The previous prime is 1730143003. The next prime is 1730143031. The reversal of 1730143013 is 3103410371.

Together with next prime (1730143031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1549052164 + 181090849 = 39358^2 + 13457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1730143013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1730143013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1730143003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 865071506 + 865071507.

It is an arithmetic number, because the mean of its divisors is an integer number (865071507).

Almost surely, 2^1730143013 is an apocalyptic number.

It is an amenable number.

1730143013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1730143013 is an equidigital number, since it uses as much as digits as its factorization.

1730143013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 1730143013 is about 41594.9878350746. The cubic root of 1730143013 is about 1200.4958628958.

Adding to 1730143013 its reverse (3103410371), we get a palindrome (4833553384).

The spelling of 1730143013 in words is "one billion, seven hundred thirty million, one hundred forty-three thousand, thirteen".