27369388605 has 48 divisors (see below), whose sum is σ = 47447830080. Its totient is φ = 13465880064.

The previous prime is 27369388601. The next prime is 27369388691. The reversal of 27369388605 is 50688396372.

It is not a de Polignac number, because 27369388605 - 2² = 27369388601 is a prime.

It is a super-2 number, since 2×27369388605² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27369388601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7240606 + ... + 7244384.

It is an arithmetic number, because the mean of its divisors is an integer number (988496460).

Almost surely, 2^27369388605 is an apocalyptic number.

It is an amenable number.

27369388605 is a deficient number, since it is larger than the sum of its proper divisors (20078441475).

27369388605 is a wasteful number, since it uses less digits than its factorization.

27369388605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6670 (or 6657 counting only the distinct ones).

The product of its (nonzero) digits is 13063680, while the sum is 57.

The spelling of 27369388605 in words is "twenty-seven billion, three hundred sixty-nine million, three hundred eighty-eight thousand, six hundred five".