27106601749 has 2 divisors, whose sum is σ = 27106601750. Its totient is φ = 27106601748.

The previous prime is 27106601699. The next prime is 27106601761. The reversal of 27106601749 is 94710660172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24248095524 + 2858506225 = 155718^2 + 53465^2 .

It is a cyclic number.

It is not a de Polignac number, because 27106601749 - 2³³ = 18516667157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27106605749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13553300874 + 13553300875.

It is an arithmetic number, because the mean of its divisors is an integer number (13553300875).

Almost surely, 2^27106601749 is an apocalyptic number.

It is an amenable number.

27106601749 is a deficient number, since it is larger than the sum of its proper divisors (1).

27106601749 is an equidigital number, since it uses as much as digits as its factorization.

27106601749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 27106601749 in words is "twenty-seven billion, one hundred six million, six hundred one thousand, seven hundred forty-nine".