27321630148213 has 2 divisors, whose sum is σ = 27321630148214. Its totient is φ = 27321630148212.

The previous prime is 27321630148199. The next prime is 27321630148343. The reversal of 27321630148213 is 31284103612372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27314347573969 + 7282574244 = 5226313^2 + 85338^2 .

It is a cyclic number.

It is not a de Polignac number, because 27321630148213 - 2²⁹ = 27321093277301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27321630148213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27321630149213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13660815074106 + 13660815074107.

It is an arithmetic number, because the mean of its divisors is an integer number (13660815074107).

Almost surely, 2^{27321630148213} is an apocalyptic number.

It is an amenable number.

27321630148213 is a deficient number, since it is larger than the sum of its proper divisors (1).

27321630148213 is an equidigital number, since it uses as much as digits as its factorization.

27321630148213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 43.

The spelling of 27321630148213 in words is "twenty-seven trillion, three hundred twenty-one billion, six hundred thirty million, one hundred forty-eight thousand, two hundred thirteen".