27701962771489 has 2 divisors, whose sum is σ = 27701962771490. Its totient is φ = 27701962771488.

The previous prime is 27701962771459. The next prime is 27701962771513. The reversal of 27701962771489 is 98417726910772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21357569030625 + 6344393740864 = 4621425^2 + 2518808^2 .

It is a cyclic number.

It is not a de Polignac number, because 27701962771489 - 2¹¹ = 27701962769441 is a prime.

It is not a weakly prime, because it can be changed into another prime (27701962771409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13850981385744 + 13850981385745.

It is an arithmetic number, because the mean of its divisors is an integer number (13850981385745).

Almost surely, 2^{27701962771489} is an apocalyptic number.

It is an amenable number.

27701962771489 is a deficient number, since it is larger than the sum of its proper divisors (1).

27701962771489 is an equidigital number, since it uses as much as digits as its factorization.

27701962771489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 149361408, while the sum is 70.

The spelling of 27701962771489 in words is "twenty-seven trillion, seven hundred one billion, nine hundred sixty-two million, seven hundred seventy-one thousand, four hundred eighty-nine".