6389934127 has 2 divisors, whose sum is σ = 6389934128. Its totient is φ = 6389934126.

The previous prime is 6389934079. The next prime is 6389934139. The reversal of 6389934127 is 7214399836.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6389934127 - 2⁷ = 6389933999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6389934167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3194967063 + 3194967064.

It is an arithmetic number, because the mean of its divisors is an integer number (3194967064).

Almost surely, 2^6389934127 is an apocalyptic number.

6389934127 is a deficient number, since it is larger than the sum of its proper divisors (1).

6389934127 is an equidigital number, since it uses as much as digits as its factorization.

6389934127 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 52.

The square root of 6389934127 is about 79937.0635375106. The cubic root of 6389934127 is about 1855.6616551195.

The spelling of 6389934127 in words is "six billion, three hundred eighty-nine million, nine hundred thirty-four thousand, one hundred twenty-seven".