27741423139 has 2 divisors, whose sum is σ = 27741423140. Its totient is φ = 27741423138.

The previous prime is 27741423133. The next prime is 27741423221. The reversal of 27741423139 is 93132414772.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27741423139 - 2⁵ = 27741423107 is a prime.

It is a super-2 number, since 2×27741423139² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27741423095 and 27741423104.

It is not a weakly prime, because it can be changed into another prime (27741423133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13870711569 + 13870711570.

It is an arithmetic number, because the mean of its divisors is an integer number (13870711570).

Almost surely, 2^27741423139 is an apocalyptic number.

27741423139 is a deficient number, since it is larger than the sum of its proper divisors (1).

27741423139 is an equidigital number, since it uses as much as digits as its factorization.

27741423139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 43.

The spelling of 27741423139 in words is "twenty-seven billion, seven hundred forty-one million, four hundred twenty-three thousand, one hundred thirty-nine".