5129191027 has 2 divisors, whose sum is σ = 5129191028. Its totient is φ = 5129191026.

The previous prime is 5129191021. The next prime is 5129191147. The reversal of 5129191027 is 7201919215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5129191027 - 2²³ = 5120802419 is a prime.

It is not a weakly prime, because it can be changed into another prime (5129191021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2564595513 + 2564595514.

It is an arithmetic number, because the mean of its divisors is an integer number (2564595514).

Almost surely, 2^5129191027 is an apocalyptic number.

5129191027 is a deficient number, since it is larger than the sum of its proper divisors (1).

5129191027 is an equidigital number, since it uses as much as digits as its factorization.

5129191027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 37.

The square root of 5129191027 is about 71618.3707368438. The cubic root of 5129191027 is about 1724.5784619485.

The spelling of 5129191027 in words is "five billion, one hundred twenty-nine million, one hundred ninety-one thousand, twenty-seven".