211432000289 has 2 divisors, whose sum is σ = 211432000290. Its totient is φ = 211432000288.

The previous prime is 211432000243. The next prime is 211432000303. The reversal of 211432000289 is 982000234112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 210919747600 + 512252689 = 459260^2 + 22633^2 .

It is a cyclic number.

It is not a de Polignac number, because 211432000289 - 2²⁴ = 211415223073 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (211432000229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105716000144 + 105716000145.

It is an arithmetic number, because the mean of its divisors is an integer number (105716000145).

Almost surely, 2^211432000289 is an apocalyptic number.

It is an amenable number.

211432000289 is a deficient number, since it is larger than the sum of its proper divisors (1).

211432000289 is an equidigital number, since it uses as much as digits as its factorization.

211432000289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 211432000289 in words is "two hundred eleven billion, four hundred thirty-two million, two hundred eighty-nine", and thus it is an aban number.