27494669783296 has 27 divisors (see below), whose sum is σ = 54882105978693. Its totient is φ = 13747292943360.

The previous prime is 27494669783293. The next prime is 27494669783309. The reversal of 27494669783296 is 69238796649472.

The square root of 27494669783296 is 5243536.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 161012797696 + 27333656985600 = 401264^2 + 5228160^2 .

It is a super-2 number, since 2×27494669783296² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27494669783293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 83732716 + ... + 84060436.

Almost surely, 2^{27494669783296} is an apocalyptic number.

27494669783296 is the 5243536-th square number.

It is an amenable number.

27494669783296 is a deficient number, since it is larger than the sum of its proper divisors (27387436195397).

27494669783296 is an frugal number, since it uses more digits than its factorization.

27494669783296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655458 (or 327723 counting only the distinct ones).

The product of its digits is 11851370496, while the sum is 82.

The spelling of 27494669783296 in words is "twenty-seven trillion, four hundred ninety-four billion, six hundred sixty-nine million, seven hundred eighty-three thousand, two hundred ninety-six".