213759923087 has 2 divisors, whose sum is σ = 213759923088. Its totient is φ = 213759923086.

The previous prime is 213759923081. The next prime is 213759923089. The reversal of 213759923087 is 780329957312.

It is a happy number.

213759923087 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 a de Polignac number, because none of the positive numbers 2^k-213759923087 is a prime.

Together with 213759923089, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213759923081) 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, 106879961543 + 106879961544.

It is an arithmetic number, because the mean of its divisors is an integer number (106879961544).

Almost surely, 2^213759923087 is an apocalyptic number.

213759923087 is a deficient number, since it is larger than the sum of its proper divisors (1).

213759923087 is an equidigital number, since it uses as much as digits as its factorization.

213759923087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 213759923087 in words is "two hundred thirteen billion, seven hundred fifty-nine million, nine hundred twenty-three thousand, eighty-seven".