4517919893 has 2 divisors, whose sum is σ = 4517919894. Its totient is φ = 4517919892.

The previous prime is 4517919869. The next prime is 4517919911. The reversal of 4517919893 is 3989197154.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4514899249 + 3020644 = 67193^2 + 1738^2 .

It is a cyclic number.

It is not a de Polignac number, because 4517919893 - 2²⁴ = 4501142677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4517919853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2258959946 + 2258959947.

It is an arithmetic number, because the mean of its divisors is an integer number (2258959947).

Almost surely, 2^4517919893 is an apocalyptic number.

It is an amenable number.

4517919893 is a deficient number, since it is larger than the sum of its proper divisors (1).

4517919893 is an equidigital number, since it uses as much as digits as its factorization.

4517919893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2449440, while the sum is 56.

The square root of 4517919893 is about 67215.4736128520. The cubic root of 4517919893 is about 1653.1522101446.

The spelling of 4517919893 in words is "four billion, five hundred seventeen million, nine hundred nineteen thousand, eight hundred ninety-three".