27633750013 has 2 divisors, whose sum is σ = 27633750014. Its totient is φ = 27633750012.

The previous prime is 27633749987. The next prime is 27633750031. The reversal of 27633750013 is 31005733672.

Together with next prime (27633750031) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19280155609 + 8353594404 = 138853^2 + 91398^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27633750013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27633750113) 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 as a sum of consecutive naturals, namely, 13816875006 + 13816875007.

It is an arithmetic number, because the mean of its divisors is an integer number (13816875007).

Almost surely, 2^27633750013 is an apocalyptic number.

It is an amenable number.

27633750013 is a deficient number, since it is larger than the sum of its proper divisors (1).

27633750013 is an equidigital number, since it uses as much as digits as its factorization.

27633750013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 37.

The spelling of 27633750013 in words is "twenty-seven billion, six hundred thirty-three million, seven hundred fifty thousand, thirteen".