27969449263 has 12 divisors (see below), whose sum is σ = 34248306360. Its totient is φ = 22712033232.

The previous prime is 27969449231. The next prime is 27969449273. The reversal of 27969449263 is 36294496972.

It is not a de Polignac number, because 27969449263 - 2⁵ = 27969449231 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27969449273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15020256 + ... + 15022117.

It is an arithmetic number, because the mean of its divisors is an integer number (2854025530).

Almost surely, 2^27969449263 is an apocalyptic number.

27969449263 is a deficient number, since it is larger than the sum of its proper divisors (6278857097).

27969449263 is a wasteful number, since it uses less digits than its factorization.

27969449263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30042406 (or 30042399 counting only the distinct ones).

The product of its digits is 35271936, while the sum is 61.

The spelling of 27969449263 in words is "twenty-seven billion, nine hundred sixty-nine million, four hundred forty-nine thousand, two hundred sixty-three".