27506235303493 has 2 divisors, whose sum is σ = 27506235303494. Its totient is φ = 27506235303492.

The previous prime is 27506235303487. The next prime is 27506235303539. The reversal of 27506235303493 is 39430353260572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15266579119009 + 12239656184484 = 3907247^2 + 3498522^2 .

It is a cyclic number.

It is not a de Polignac number, because 27506235303493 - 2¹⁷ = 27506235172421 is a prime.

It is a super-2 number, since 2×27506235303493² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27506235303493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27506235343493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13753117651746 + 13753117651747.

It is an arithmetic number, because the mean of its divisors is an integer number (13753117651747).

Almost surely, 2^{27506235303493} is an apocalyptic number.

It is an amenable number.

27506235303493 is a deficient number, since it is larger than the sum of its proper divisors (1).

27506235303493 is an equidigital number, since it uses as much as digits as its factorization.

27506235303493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12247200, while the sum is 52.

The spelling of 27506235303493 in words is "twenty-seven trillion, five hundred six billion, two hundred thirty-five million, three hundred three thousand, four hundred ninety-three".