211049213069 has 16 divisors (see below), whose sum is σ = 213738454080. Its totient is φ = 208372617600.

The previous prime is 211049213033. The next prime is 211049213087. The reversal of 211049213069 is 960312940112.

It is a cyclic number.

It is not a de Polignac number, because 211049213069 - 2¹² = 211049208973 is a prime.

It is a super-2 number, since 2×211049213069² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211049216069) 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 in 15 ways as a sum of consecutive naturals, for example, 95799722 + ... + 95801924.

It is an arithmetic number, because the mean of its divisors is an integer number (13358653380).

Almost surely, 2^211049213069 is an apocalyptic number.

It is an amenable number.

211049213069 is a deficient number, since it is larger than the sum of its proper divisors (2689241011).

211049213069 is a wasteful number, since it uses less digits than its factorization.

211049213069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4540.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 211049213069 in words is "two hundred eleven billion, forty-nine million, two hundred thirteen thousand, sixty-nine".