27436252345 has 8 divisors (see below), whose sum is σ = 32937849864. Its totient is φ = 21939437184.

The previous prime is 27436252289. The next prime is 27436252381. The reversal of 27436252345 is 54325263472.

It can be written as a sum of positive squares in 4 ways, for example, as 8162761104 + 19273491241 = 90348^2 + 138829^2 .

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 27436252345 - 2¹¹ = 27436250297 is a prime.

It is a Duffinian number.

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, 1182954 + ... + 1205923.

It is an arithmetic number, because the mean of its divisors is an integer number (4117231233).

Almost surely, 2^27436252345 is an apocalyptic number.

It is an amenable number.

27436252345 is a deficient number, since it is larger than the sum of its proper divisors (5501597519).

27436252345 is a wasteful number, since it uses less digits than its factorization.

27436252345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391179.

The product of its digits is 1209600, while the sum is 43.

The spelling of 27436252345 in words is "twenty-seven billion, four hundred thirty-six million, two hundred fifty-two thousand, three hundred forty-five".