211098960949 has 2 divisors, whose sum is σ = 211098960950. Its totient is φ = 211098960948.

The previous prime is 211098960937. The next prime is 211098960959. The reversal of 211098960949 is 949069890112.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162497672100 + 48601288849 = 403110^2 + 220457^2 .

It is a cyclic number.

It is not a de Polignac number, because 211098960949 - 2⁹ = 211098960437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211098960893 and 211098960902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211098960959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105549480474 + 105549480475.

It is an arithmetic number, because the mean of its divisors is an integer number (105549480475).

Almost surely, 2^211098960949 is an apocalyptic number.

It is an amenable number.

211098960949 is a deficient number, since it is larger than the sum of its proper divisors (1).

211098960949 is an equidigital number, since it uses as much as digits as its factorization.

211098960949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2519424, while the sum is 58.

The spelling of 211098960949 in words is "two hundred eleven billion, ninety-eight million, nine hundred sixty thousand, nine hundred forty-nine".