27546207450137 has 2 divisors, whose sum is σ = 27546207450138. Its totient is φ = 27546207450136.

The previous prime is 27546207450133. The next prime is 27546207450169. The reversal of 27546207450137 is 73105470264572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26605160004361 + 941047445776 = 5158019^2 + 970076^2 .

It is a cyclic number.

It is not a de Polignac number, because 27546207450137 - 2² = 27546207450133 is a prime.

It is not a weakly prime, because it can be changed into another prime (27546207450133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13773103725068 + 13773103725069.

It is an arithmetic number, because the mean of its divisors is an integer number (13773103725069).

Almost surely, 2^{27546207450137} is an apocalyptic number.

It is an amenable number.

27546207450137 is a deficient number, since it is larger than the sum of its proper divisors (1).

27546207450137 is an equidigital number, since it uses as much as digits as its factorization.

27546207450137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9878400, while the sum is 53.

The spelling of 27546207450137 in words is "twenty-seven trillion, five hundred forty-six billion, two hundred seven million, four hundred fifty thousand, one hundred thirty-seven".