27542403839999 has 2 divisors, whose sum is σ = 27542403840000. Its totient is φ = 27542403839998.

The previous prime is 27542403839959. The next prime is 27542403840037. The reversal of 27542403839999 is 99993830424572.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27542403839999 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27542403839939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13771201919999 + 13771201920000.

It is an arithmetic number, because the mean of its divisors is an integer number (13771201920000).

Almost surely, 2^{27542403839999} is an apocalyptic number.

27542403839999 is a deficient number, since it is larger than the sum of its proper divisors (1).

27542403839999 is an equidigital number, since it uses as much as digits as its factorization.

27542403839999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1058158080, while the sum is 74.

The spelling of 27542403839999 in words is "twenty-seven trillion, five hundred forty-two billion, four hundred three million, eight hundred thirty-nine thousand, nine hundred ninety-nine".