27100942089 has 16 divisors (see below), whose sum is σ = 38966589312. Its totient is φ = 16655038848.

The previous prime is 27100942061. The next prime is 27100942097. The reversal of 27100942089 is 98024900172.

It is not a de Polignac number, because 27100942089 - 2⁷ = 27100941961 is a prime.

It is a super-2 number, since 2×27100942089² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 27100942089.

It is not an unprimeable number, because it can be changed into a prime (27100942489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438652 + ... + 496605.

It is an arithmetic number, because the mean of its divisors is an integer number (2435411832).

Almost surely, 2^27100942089 is an apocalyptic number.

It is an amenable number.

27100942089 is a deficient number, since it is larger than the sum of its proper divisors (11865647223).

27100942089 is a wasteful number, since it uses less digits than its factorization.

27100942089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936016.

The product of its (nonzero) digits is 72576, while the sum is 42.

The spelling of 27100942089 in words is "twenty-seven billion, one hundred million, nine hundred forty-two thousand, eighty-nine".