4193516893 has 2 divisors, whose sum is σ = 4193516894. Its totient is φ = 4193516892.

The previous prime is 4193516891. The next prime is 4193516903. The reversal of 4193516893 is 3986153914.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4111759129 + 81757764 = 64123^2 + 9042^2 .

It is a cyclic number.

It is not a de Polignac number, because 4193516893 - 2¹ = 4193516891 is a prime.

Together with 4193516891, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4193516891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2096758446 + 2096758447.

It is an arithmetic number, because the mean of its divisors is an integer number (2096758447).

Almost surely, 2^4193516893 is an apocalyptic number.

It is an amenable number.

4193516893 is a deficient number, since it is larger than the sum of its proper divisors (1).

4193516893 is an equidigital number, since it uses as much as digits as its factorization.

4193516893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 699840, while the sum is 49.

The square root of 4193516893 is about 64757.3694107474. The cubic root of 4193516893 is about 1612.5980573585.

The spelling of 4193516893 in words is "four billion, one hundred ninety-three million, five hundred sixteen thousand, eight hundred ninety-three".