27488678181193 has 2 divisors, whose sum is σ = 27488678181194. Its totient is φ = 27488678181192.

The previous prime is 27488678181103. The next prime is 27488678181241. The reversal of 27488678181193 is 39118187688472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21885293261584 + 5603384919609 = 4678172^2 + 2367147^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27488678181193 is a prime.

It is not a weakly prime, because it can be changed into another prime (27488678181103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13744339090596 + 13744339090597.

It is an arithmetic number, because the mean of its divisors is an integer number (13744339090597).

Almost surely, 2^{27488678181193} is an apocalyptic number.

It is an amenable number.

27488678181193 is a deficient number, since it is larger than the sum of its proper divisors (1).

27488678181193 is an equidigital number, since it uses as much as digits as its factorization.

27488678181193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 260112384, while the sum is 73.

The spelling of 27488678181193 in words is "twenty-seven trillion, four hundred eighty-eight billion, six hundred seventy-eight million, one hundred eighty-one thousand, one hundred ninety-three".