27101320669 has 16 divisors (see below), whose sum is σ = 27951784560. Its totient is φ = 26264043520.

The previous prime is 27101320577. The next prime is 27101320679. The reversal of 27101320669 is 96602310172.

It can be written as a sum of positive squares in 8 ways, for example, as 356643225 + 26744677444 = 18885^2 + 163538^2 .

It is a cyclic number.

It is not a de Polignac number, because 27101320669 - 2¹⁷ = 27101189597 is a prime.

It is a super-2 number, since 2×27101320669² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27101320679) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5738229 + ... + 5742949.

It is an arithmetic number, because the mean of its divisors is an integer number (1746986535).

Almost surely, 2^27101320669 is an apocalyptic number.

It is an amenable number.

27101320669 is a deficient number, since it is larger than the sum of its proper divisors (850463891).

27101320669 is a wasteful number, since it uses less digits than its factorization.

27101320669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6080.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 27101320669 in words is "twenty-seven billion, one hundred one million, three hundred twenty thousand, six hundred sixty-nine".