211464350291 has 2 divisors, whose sum is σ = 211464350292. Its totient is φ = 211464350290.

The previous prime is 211464350287. The next prime is 211464350309. The reversal of 211464350291 is 192053464112.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 211464350291 - 2² = 211464350287 is a prime.

It is not a weakly prime, because it can be changed into another prime (211464350221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105732175145 + 105732175146.

It is an arithmetic number, because the mean of its divisors is an integer number (105732175146).

Almost surely, 2^211464350291 is an apocalyptic number.

211464350291 is a deficient number, since it is larger than the sum of its proper divisors (1).

211464350291 is an equidigital number, since it uses as much as digits as its factorization.

211464350291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 211464350291 in words is "two hundred eleven billion, four hundred sixty-four million, three hundred fifty thousand, two hundred ninety-one".