211093874377 has 2 divisors, whose sum is σ = 211093874378. Its totient is φ = 211093874376.

The previous prime is 211093874371. The next prime is 211093874429. The reversal of 211093874377 is 773478390112.

It is an a-pointer prime, because the next prime (211093874429) can be obtained adding 211093874377 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 203054779456 + 8039094921 = 450616^2 + 89661^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211093874377 is a prime.

It is not a weakly prime, because it can be changed into another prime (211093874371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105546937188 + 105546937189.

It is an arithmetic number, because the mean of its divisors is an integer number (105546937189).

Almost surely, 2^211093874377 is an apocalyptic number.

It is an amenable number.

211093874377 is a deficient number, since it is larger than the sum of its proper divisors (1).

211093874377 is an equidigital number, since it uses as much as digits as its factorization.

211093874377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1778112, while the sum is 52.

The spelling of 211093874377 in words is "two hundred eleven billion, ninety-three million, eight hundred seventy-four thousand, three hundred seventy-seven".