27494271089906 has 4 divisors (see below), whose sum is σ = 41241406634862. Its totient is φ = 13747135544952.

The previous prime is 27494271089903. The next prime is 27494271089947. The reversal of 27494271089906 is 60998017249472.

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

It can be written as a sum of positive squares in only one way, i.e., 21047826259681 + 6446444830225 = 4587791^2 + 2538985^2 .

It is not an unprimeable number, because it can be changed into a prime (27494271089903) 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 as a sum of consecutive naturals, namely, 6873567772475 + ... + 6873567772478.

Almost surely, 2^{27494271089906} is an apocalyptic number.

27494271089906 is a deficient number, since it is larger than the sum of its proper divisors (13747135544956).

27494271089906 is a wasteful number, since it uses less digits than its factorization.

27494271089906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13747135544955.

The product of its (nonzero) digits is 109734912, while the sum is 68.

The spelling of 27494271089906 in words is "twenty-seven trillion, four hundred ninety-four billion, two hundred seventy-one million, eighty-nine thousand, nine hundred six".