68189711 has 2 divisors, whose sum is σ = 68189712. Its totient is φ = 68189710.

The previous prime is 68189633. The next prime is 68189713. The reversal of 68189711 is 11798186.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68189711 - 2¹⁴ = 68173327 is a prime.

Together with 68189713, 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 (68189713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34094855 + 34094856.

It is an arithmetic number, because the mean of its divisors is an integer number (34094856).

Almost surely, 2^68189711 is an apocalyptic number.

68189711 is a deficient number, since it is larger than the sum of its proper divisors (1).

68189711 is an equidigital number, since it uses as much as digits as its factorization.

68189711 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 41.

The square root of 68189711 is about 8257.7061584922. The cubic root of 68189711 is about 408.5447336661.

The spelling of 68189711 in words is "sixty-eight million, one hundred eighty-nine thousand, seven hundred eleven".