8730873449 has 4 divisors (see below), whose sum is σ = 9012514560. Its totient is φ = 8449232340.

The previous prime is 8730873409. The next prime is 8730873491. The reversal of 8730873449 is 9443780378.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9443780378 = 2 ⋅4721890189.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8730873449 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8730873449.

It is not an unprimeable number, because it can be changed into a prime (8730873409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140820509 + ... + 140820570.

It is an arithmetic number, because the mean of its divisors is an integer number (2253128640).

Almost surely, 2^8730873449 is an apocalyptic number.

It is an amenable number.

8730873449 is a deficient number, since it is larger than the sum of its proper divisors (281641111).

8730873449 is a wasteful number, since it uses less digits than its factorization.

8730873449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281641110.

The product of its (nonzero) digits is 4064256, while the sum is 53.

The square root of 8730873449 is about 93439.1430236815. The cubic root of 8730873449 is about 2059.1401074599.

The spelling of 8730873449 in words is "eight billion, seven hundred thirty million, eight hundred seventy-three thousand, four hundred forty-nine".