6142106891 has 2 divisors, whose sum is σ = 6142106892. Its totient is φ = 6142106890.

The previous prime is 6142106869. The next prime is 6142106903. The reversal of 6142106891 is 1986012416.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6142106891 - 2⁶ = 6142106827 is a prime.

It is not a weakly prime, because it can be changed into another prime (6142106791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3071053445 + 3071053446.

It is an arithmetic number, because the mean of its divisors is an integer number (3071053446).

Almost surely, 2^6142106891 is an apocalyptic number.

6142106891 is a deficient number, since it is larger than the sum of its proper divisors (1).

6142106891 is an equidigital number, since it uses as much as digits as its factorization.

6142106891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 6142106891 is about 78371.5949244367. The cubic root of 6142106891 is about 1831.3546551471.

The spelling of 6142106891 in words is "six billion, one hundred forty-two million, one hundred six thousand, eight hundred ninety-one".