27349459442 has 18 divisors (see below), whose sum is σ = 41265202797. Its totient is φ = 13594860384.

The previous prime is 27349459441. The next prime is 27349459447. The reversal of 27349459442 is 24495494372.

It can be written as a sum of positive squares in 2 ways, for example, as 25811956921 + 1537502521 = 160661^2 + 39211^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=116939.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27349459441) 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 8 ways as a sum of consecutive naturals, for example, 78816713 + ... + 78817059.

Almost surely, 2^27349459442 is an apocalyptic number.

27349459442 is a deficient number, since it is larger than the sum of its proper divisors (13915743355).

27349459442 is an frugal number, since it uses more digits than its factorization.

27349459442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1370 (or 686 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 53.

The spelling of 27349459442 in words is "twenty-seven billion, three hundred forty-nine million, four hundred fifty-nine thousand, four hundred forty-two".