211487784083 has 2 divisors, whose sum is σ = 211487784084. Its totient is φ = 211487784082.

The previous prime is 211487784077. The next prime is 211487784169. The reversal of 211487784083 is 380487784112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211487784083 is a prime.

It is not a weakly prime, because it can be changed into another prime (211487384083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105743892041 + 105743892042.

It is an arithmetic number, because the mean of its divisors is an integer number (105743892042).

Almost surely, 2^211487784083 is an apocalyptic number.

211487784083 is a deficient number, since it is larger than the sum of its proper divisors (1).

211487784083 is an equidigital number, since it uses as much as digits as its factorization.

211487784083 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2408448, while the sum is 53.

The spelling of 211487784083 in words is "two hundred eleven billion, four hundred eighty-seven million, seven hundred eighty-four thousand, eighty-three".