213425614663 has 2 divisors, whose sum is σ = 213425614664. Its totient is φ = 213425614662.

The previous prime is 213425614639. The next prime is 213425614667. The reversal of 213425614663 is 366416524312.

It is a happy number.

213425614663 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 213425614663 - 2⁹ = 213425614151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213425614667) 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, 106712807331 + 106712807332.

It is an arithmetic number, because the mean of its divisors is an integer number (106712807332).

Almost surely, 2^213425614663 is an apocalyptic number.

213425614663 is a deficient number, since it is larger than the sum of its proper divisors (1).

213425614663 is an equidigital number, since it uses as much as digits as its factorization.

213425614663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 622080, while the sum is 43.

The spelling of 213425614663 in words is "two hundred thirteen billion, four hundred twenty-five million, six hundred fourteen thousand, six hundred sixty-three".