27461468173 has 2 divisors, whose sum is σ = 27461468174. Its totient is φ = 27461468172.

The previous prime is 27461468123. The next prime is 27461468219. The reversal of 27461468173 is 37186416472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15832433929 + 11629034244 = 125827^2 + 107838^2 .

It is a cyclic number.

It is not a de Polignac number, because 27461468173 - 2²¹ = 27459371021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27461468123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13730734086 + 13730734087.

It is an arithmetic number, because the mean of its divisors is an integer number (13730734087).

Almost surely, 2^27461468173 is an apocalyptic number.

It is an amenable number.

27461468173 is a deficient number, since it is larger than the sum of its proper divisors (1).

27461468173 is an equidigital number, since it uses as much as digits as its factorization.

27461468173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1354752, while the sum is 49.

The spelling of 27461468173 in words is "twenty-seven billion, four hundred sixty-one million, four hundred sixty-eight thousand, one hundred seventy-three".