211109034769 has 2 divisors, whose sum is σ = 211109034770. Its totient is φ = 211109034768.

The previous prime is 211109034767. The next prime is 211109034889. The reversal of 211109034769 is 967430901112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200399475600 + 10709559169 = 447660^2 + 103487^2 .

It is a cyclic number.

It is not a de Polignac number, because 211109034769 - 2¹ = 211109034767 is a prime.

It is a super-2 number, since 2×211109034769² (a number of 23 digits) contains 22 as substring.

Together with 211109034767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (211109034767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105554517384 + 105554517385.

It is an arithmetic number, because the mean of its divisors is an integer number (105554517385).

Almost surely, 2^211109034769 is an apocalyptic number.

It is an amenable number.

211109034769 is a deficient number, since it is larger than the sum of its proper divisors (1).

211109034769 is an equidigital number, since it uses as much as digits as its factorization.

211109034769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 211109034769 in words is "two hundred eleven billion, one hundred nine million, thirty-four thousand, seven hundred sixty-nine".