27942073441 has 2 divisors, whose sum is σ = 27942073442. Its totient is φ = 27942073440.

The previous prime is 27942073433. The next prime is 27942073469. The reversal of 27942073441 is 14437024972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22123587600 + 5818485841 = 148740^2 + 76279^2 .

It is a cyclic number.

It is not a de Polignac number, because 27942073441 - 2³ = 27942073433 is a prime.

It is not a weakly prime, because it can be changed into another prime (27942073141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13971036720 + 13971036721.

It is an arithmetic number, because the mean of its divisors is an integer number (13971036721).

Almost surely, 2^27942073441 is an apocalyptic number.

It is an amenable number.

27942073441 is a deficient number, since it is larger than the sum of its proper divisors (1).

27942073441 is an equidigital number, since it uses as much as digits as its factorization.

27942073441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 43.

The spelling of 27942073441 in words is "twenty-seven billion, nine hundred forty-two million, seventy-three thousand, four hundred forty-one".