27358199245 has 16 divisors (see below), whose sum is σ = 35613290160. Its totient is φ = 20055504384.

The previous prime is 27358199243. The next prime is 27358199279. The reversal of 27358199245 is 54299185372.

It can be written as a sum of positive squares in 8 ways, for example, as 4196707524 + 23161491721 = 64782^2 + 152189^2 .

It is a cyclic number.

It is not a de Polignac number, because 27358199245 - 2¹ = 27358199243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27358199243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1527210 + ... + 1545019.

It is an arithmetic number, because the mean of its divisors is an integer number (2225830635).

Almost surely, 2^27358199245 is an apocalyptic number.

It is an amenable number.

27358199245 is a deficient number, since it is larger than the sum of its proper divisors (8255090915).

27358199245 is a wasteful number, since it uses less digits than its factorization.

27358199245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3072384.

The product of its digits is 5443200, while the sum is 55.

The spelling of 27358199245 in words is "twenty-seven billion, three hundred fifty-eight million, one hundred ninety-nine thousand, two hundred forty-five".