27240123664093 has 4 divisors (see below), whose sum is σ = 27976343222620. Its totient is φ = 26503904105568.

The previous prime is 27240123664067. The next prime is 27240123664133. The reversal of 27240123664093 is 39046632104272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19485135154809 + 7754988509284 = 4414197^2 + 2784778^2 .

It is a cyclic number.

It is not a de Polignac number, because 27240123664093 - 2³³ = 27231533729501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27240123664993) 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 3 ways as a sum of consecutive naturals, for example, 368109779208 + ... + 368109779281.

It is an arithmetic number, because the mean of its divisors is an integer number (6994085805655).

Almost surely, 2^{27240123664093} is an apocalyptic number.

It is an amenable number.

27240123664093 is a deficient number, since it is larger than the sum of its proper divisors (736219558527).

27240123664093 is an equidigital number, since it uses as much as digits as its factorization.

27240123664093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 736219558526.

The product of its (nonzero) digits is 2612736, while the sum is 49.

The spelling of 27240123664093 in words is "twenty-seven trillion, two hundred forty billion, one hundred twenty-three million, six hundred sixty-four thousand, ninety-three".