27636770346949 has 4 divisors (see below), whose sum is σ = 27666139923180. Its totient is φ = 27607400770720.

The previous prime is 27636770346937. The next prime is 27636770346971. The reversal of 27636770346949 is 94964307763672.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8297752658724 + 19339017688225 = 2880582^2 + 4397615^2 .

It is a cyclic number.

It is not a de Polignac number, because 27636770346949 - 2¹¹ = 27636770344901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27636770316949) 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 3 ways as a sum of consecutive naturals, for example, 14684786704 + ... + 14684788585.

It is an arithmetic number, because the mean of its divisors is an integer number (6916534980795).

Almost surely, 2^{27636770346949} is an apocalyptic number.

It is an amenable number.

27636770346949 is a deficient number, since it is larger than the sum of its proper divisors (29369576231).

27636770346949 is an equidigital number, since it uses as much as digits as its factorization.

27636770346949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29369576230.

The product of its (nonzero) digits is 1728324864, while the sum is 73.

The spelling of 27636770346949 in words is "twenty-seven trillion, six hundred thirty-six billion, seven hundred seventy million, three hundred forty-six thousand, nine hundred forty-nine".