27702052501913 has 2 divisors, whose sum is σ = 27702052501914. Its totient is φ = 27702052501912.

The previous prime is 27702052501873. The next prime is 27702052501919. The reversal of 27702052501913 is 31910525020772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27616149581449 + 85902920464 = 5255107^2 + 293092^2 .

It is a cyclic number.

It is not a de Polignac number, because 27702052501913 - 2¹⁴ = 27702052485529 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (27702052501919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13851026250956 + 13851026250957.

It is an arithmetic number, because the mean of its divisors is an integer number (13851026250957).

Almost surely, 2^{27702052501913} is an apocalyptic number.

It is an amenable number.

27702052501913 is a deficient number, since it is larger than the sum of its proper divisors (1).

27702052501913 is an equidigital number, since it uses as much as digits as its factorization.

27702052501913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 264600, while the sum is 44.

The spelling of 27702052501913 in words is "twenty-seven trillion, seven hundred two billion, fifty-two million, five hundred one thousand, nine hundred thirteen".