27273265345 has 8 divisors (see below), whose sum is σ = 32730612264. Its totient is φ = 21816816384.

The previous prime is 27273265333. The next prime is 27273265433. The reversal of 27273265345 is 54356237272.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 283046976 + 26990218369 = 16824^2 + 164287^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27273265345 - 2¹⁹ = 27272741057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27273265295 and 27273265304.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155754 + ... + 280723.

It is an arithmetic number, because the mean of its divisors is an integer number (4091326533).

Almost surely, 2^27273265345 is an apocalyptic number.

It is an amenable number.

27273265345 is a deficient number, since it is larger than the sum of its proper divisors (5457346919).

27273265345 is a wasteful number, since it uses less digits than its factorization.

27273265345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448979.

The product of its digits is 2116800, while the sum is 46.

The spelling of 27273265345 in words is "twenty-seven billion, two hundred seventy-three million, two hundred sixty-five thousand, three hundred forty-five".