6158868893 has 2 divisors, whose sum is σ = 6158868894. Its totient is φ = 6158868892.

The previous prime is 6158868847. The next prime is 6158868899. The reversal of 6158868893 is 3988688516.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4237098649 + 1921770244 = 65093^2 + 43838^2 .

It is a cyclic number.

It is not a de Polignac number, because 6158868893 - 2⁸ = 6158868637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6158868899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3079434446 + 3079434447.

It is an arithmetic number, because the mean of its divisors is an integer number (3079434447).

Almost surely, 2^6158868893 is an apocalyptic number.

It is an amenable number.

6158868893 is a deficient number, since it is larger than the sum of its proper divisors (1).

6158868893 is an equidigital number, since it uses as much as digits as its factorization.

6158868893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19906560, while the sum is 62.

The square root of 6158868893 is about 78478.4613317565. The cubic root of 6158868893 is about 1833.0190833683.

The spelling of 6158868893 in words is "six billion, one hundred fifty-eight million, eight hundred sixty-eight thousand, eight hundred ninety-three".