27492612439 has 2 divisors, whose sum is σ = 27492612440. Its totient is φ = 27492612438.

The previous prime is 27492612391. The next prime is 27492612467. The reversal of 27492612439 is 93421629472.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27492612439 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27492612392 and 27492612401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27492612739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13746306219 + 13746306220.

It is an arithmetic number, because the mean of its divisors is an integer number (13746306220).

Almost surely, 2^27492612439 is an apocalyptic number.

27492612439 is a deficient number, since it is larger than the sum of its proper divisors (1).

27492612439 is an equidigital number, since it uses as much as digits as its factorization.

27492612439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 49.

The spelling of 27492612439 in words is "twenty-seven billion, four hundred ninety-two million, six hundred twelve thousand, four hundred thirty-nine".