1968546211 has 2 divisors, whose sum is σ = 1968546212. Its totient is φ = 1968546210.

The previous prime is 1968546199. The next prime is 1968546247. The reversal of 1968546211 is 1126458691.

It is a weak prime.

It is an emirp because it is prime and its reverse (1126458691) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1968546211 - 2²³ = 1960157603 is a prime.

It is not a weakly prime, because it can be changed into another prime (1968546271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 984273105 + 984273106.

It is an arithmetic number, because the mean of its divisors is an integer number (984273106).

Almost surely, 2^1968546211 is an apocalyptic number.

1968546211 is a deficient number, since it is larger than the sum of its proper divisors (1).

1968546211 is an equidigital number, since it uses as much as digits as its factorization.

1968546211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 43.

The square root of 1968546211 is about 44368.3018719446. The cubic root of 1968546211 is about 1253.2812375940.

The spelling of 1968546211 in words is "one billion, nine hundred sixty-eight million, five hundred forty-six thousand, two hundred eleven".