8730873409 has 2 divisors, whose sum is σ = 8730873410. Its totient is φ = 8730873408.

The previous prime is 8730873397. The next prime is 8730873491. The reversal of 8730873409 is 9043780378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4820247184 + 3910626225 = 69428^2 + 62535^2 .

It is a cyclic number.

It is not a de Polignac number, because 8730873409 - 2⁹ = 8730872897 is a prime.

It is not a weakly prime, because it can be changed into another prime (8730873499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4365436704 + 4365436705.

It is an arithmetic number, because the mean of its divisors is an integer number (4365436705).

Almost surely, 2^8730873409 is an apocalyptic number.

It is an amenable number.

8730873409 is a deficient number, since it is larger than the sum of its proper divisors (1).

8730873409 is an equidigital number, since it uses as much as digits as its factorization.

8730873409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1016064, while the sum is 49.

The square root of 8730873409 is about 93439.1428096384. The cubic root of 8730873409 is about 2059.1401043153.

The spelling of 8730873409 in words is "eight billion, seven hundred thirty million, eight hundred seventy-three thousand, four hundred nine".