27144529913 has 2 divisors, whose sum is σ = 27144529914. Its totient is φ = 27144529912.

The previous prime is 27144529903. The next prime is 27144529943. The reversal of 27144529913 is 31992544172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16193326009 + 10951203904 = 127253^2 + 104648^2 .

It is a cyclic number.

It is not a de Polignac number, because 27144529913 - 2²⁴ = 27127752697 is a prime.

It is not a weakly prime, because it can be changed into another prime (27144529903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13572264956 + 13572264957.

It is an arithmetic number, because the mean of its divisors is an integer number (13572264957).

Almost surely, 2^27144529913 is an apocalyptic number.

It is an amenable number.

27144529913 is a deficient number, since it is larger than the sum of its proper divisors (1).

27144529913 is an equidigital number, since it uses as much as digits as its factorization.

27144529913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 47.

The spelling of 27144529913 in words is "twenty-seven billion, one hundred forty-four million, five hundred twenty-nine thousand, nine hundred thirteen".