4519745873 has 2 divisors, whose sum is σ = 4519745874. Its totient is φ = 4519745872.

The previous prime is 4519745837. The next prime is 4519745941. The reversal of 4519745873 is 3785479154.

Together with previous prime (4519745837) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3328943809 + 1190802064 = 57697^2 + 34508^2 .

It is a cyclic number.

It is not a de Polignac number, because 4519745873 - 2²⁶ = 4452637009 is a prime.

It is not a weakly prime, because it can be changed into another prime (4519745803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2259872936 + 2259872937.

It is an arithmetic number, because the mean of its divisors is an integer number (2259872937).

Almost surely, 2^4519745873 is an apocalyptic number.

It is an amenable number.

4519745873 is a deficient number, since it is larger than the sum of its proper divisors (1).

4519745873 is an equidigital number, since it uses as much as digits as its factorization.

4519745873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4233600, while the sum is 53.

The square root of 4519745873 is about 67229.0552737431. The cubic root of 4519745873 is about 1653.3748949466.

The spelling of 4519745873 in words is "four billion, five hundred nineteen million, seven hundred forty-five thousand, eight hundred seventy-three".