27542457272839 has 2 divisors, whose sum is σ = 27542457272840. Its totient is φ = 27542457272838.

The previous prime is 27542457272833. The next prime is 27542457272849. The reversal of 27542457272839 is 93827275424572.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27542457272839 - 2¹¹ = 27542457270791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27542457272833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13771228636419 + 13771228636420.

It is an arithmetic number, because the mean of its divisors is an integer number (13771228636420).

Almost surely, 2^{27542457272839} is an apocalyptic number.

27542457272839 is a deficient number, since it is larger than the sum of its proper divisors (1).

27542457272839 is an equidigital number, since it uses as much as digits as its factorization.

27542457272839 is an evil number, because the sum of its binary digits is even.

The product of its digits is 474163200, while the sum is 67.

The spelling of 27542457272839 in words is "twenty-seven trillion, five hundred forty-two billion, four hundred fifty-seven million, two hundred seventy-two thousand, eight hundred thirty-nine".