4539245873 has 2 divisors, whose sum is σ = 4539245874. Its totient is φ = 4539245872.

The previous prime is 4539245869. The next prime is 4539245903. The reversal of 4539245873 is 3785429354.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4346369329 + 192876544 = 65927^2 + 13888^2 .

It is a cyclic number.

It is not a de Polignac number, because 4539245873 - 2² = 4539245869 is a prime.

It is not a weakly prime, because it can be changed into another prime (4539245173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2269622936 + 2269622937.

It is an arithmetic number, because the mean of its divisors is an integer number (2269622937).

Almost surely, 2^4539245873 is an apocalyptic number.

It is an amenable number.

4539245873 is a deficient number, since it is larger than the sum of its proper divisors (1).

4539245873 is an equidigital number, since it uses as much as digits as its factorization.

4539245873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3628800, while the sum is 50.

The square root of 4539245873 is about 67373.9257650911. The cubic root of 4539245873 is about 1655.7492581349.

The spelling of 4539245873 in words is "four billion, five hundred thirty-nine million, two hundred forty-five thousand, eight hundred seventy-three".