4509680873 has 4 divisors (see below), whose sum is σ = 4665187140. Its totient is φ = 4354174608.

The previous prime is 4509680869. The next prime is 4509680881. The reversal of 4509680873 is 3780869054.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3843628009 + 666052864 = 61997^2 + 25808^2 .

It is not a de Polignac number, because 4509680873 - 2² = 4509680869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4509680803) 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, 77753090 + ... + 77753147.

It is an arithmetic number, because the mean of its divisors is an integer number (1166296785).

Almost surely, 2^4509680873 is an apocalyptic number.

It is an amenable number.

4509680873 is a deficient number, since it is larger than the sum of its proper divisors (155506267).

4509680873 is a wasteful number, since it uses less digits than its factorization.

4509680873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155506266.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The square root of 4509680873 is about 67154.1575258003. The cubic root of 4509680873 is about 1652.1466853053.

The spelling of 4509680873 in words is "four billion, five hundred nine million, six hundred eighty thousand, eight hundred seventy-three".