27144652057 has 2 divisors, whose sum is σ = 27144652058. Its totient is φ = 27144652056.

The previous prime is 27144652039. The next prime is 27144652069. The reversal of 27144652057 is 75025644172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27115879561 + 28772496 = 164669^2 + 5364^2 .

It is a cyclic number.

It is not a de Polignac number, because 27144652057 - 2¹⁵ = 27144619289 is a prime.

It is not a weakly prime, because it can be changed into another prime (27144652037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13572326028 + 13572326029.

It is an arithmetic number, because the mean of its divisors is an integer number (13572326029).

Almost surely, 2^27144652057 is an apocalyptic number.

It is an amenable number.

27144652057 is a deficient number, since it is larger than the sum of its proper divisors (1).

27144652057 is an equidigital number, since it uses as much as digits as its factorization.

27144652057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 27144652057 in words is "twenty-seven billion, one hundred forty-four million, six hundred fifty-two thousand, fifty-seven".