213342863827 has 2 divisors, whose sum is σ = 213342863828. Its totient is φ = 213342863826.

The previous prime is 213342863779. The next prime is 213342863861. The reversal of 213342863827 is 728368243312.

213342863827 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213342863827 - 2¹¹ = 213342861779 is a prime.

It is not a weakly prime, because it can be changed into another prime (213342863527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106671431913 + 106671431914.

It is an arithmetic number, because the mean of its divisors is an integer number (106671431914).

Almost surely, 2^213342863827 is an apocalyptic number.

213342863827 is a deficient number, since it is larger than the sum of its proper divisors (1).

213342863827 is an equidigital number, since it uses as much as digits as its factorization.

213342863827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2322432, while the sum is 49.

The spelling of 213342863827 in words is "two hundred thirteen billion, three hundred forty-two million, eight hundred sixty-three thousand, eight hundred twenty-seven".