4539687073 has 2 divisors, whose sum is σ = 4539687074. Its totient is φ = 4539687072.

The previous prime is 4539687067. The next prime is 4539687107. The reversal of 4539687073 is 3707869354.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3067276689 + 1472410384 = 55383^2 + 38372^2 .

It is a cyclic number.

It is not a de Polignac number, because 4539687073 - 2¹⁷ = 4539556001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4539687073.

It is not a weakly prime, because it can be changed into another prime (4539687013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2269843536 + 2269843537.

It is an arithmetic number, because the mean of its divisors is an integer number (2269843537).

Almost surely, 2^4539687073 is an apocalyptic number.

It is an amenable number.

4539687073 is a deficient number, since it is larger than the sum of its proper divisors (1).

4539687073 is an equidigital number, since it uses as much as digits as its factorization.

4539687073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3810240, while the sum is 52.

The square root of 4539687073 is about 67377.1999492410. The cubic root of 4539687073 is about 1655.8029008858.

It can be divided in two parts, 453968 and 7073, that added together give a square (461041 = 679²).

The spelling of 4539687073 in words is "four billion, five hundred thirty-nine million, six hundred eighty-seven thousand, seventy-three".