27491549348 has 6 divisors (see below), whose sum is σ = 48110211366. Its totient is φ = 13745774672.

The previous prime is 27491549329. The next prime is 27491549377. The reversal of 27491549348 is 84394519472.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17684212324 + 9807337024 = 132982^2 + 99032^2 .

It is a super-3 number, since 3×27491549348³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27491549293 and 27491549302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3436443665 + ... + 3436443672.

It is an arithmetic number, because the mean of its divisors is an integer number (8018368561).

Almost surely, 2^27491549348 is an apocalyptic number.

It is an amenable number.

27491549348 is a deficient number, since it is larger than the sum of its proper divisors (20618662018).

27491549348 is a wasteful number, since it uses less digits than its factorization.

27491549348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6872887341 (or 6872887339 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 56.

The spelling of 27491549348 in words is "twenty-seven billion, four hundred ninety-one million, five hundred forty-nine thousand, three hundred forty-eight".