211986650313 has 16 divisors (see below), whose sum is σ = 314090837760. Its totient is φ = 141307990128.

The previous prime is 211986650279. The next prime is 211986650327. The reversal of 211986650313 is 313056689112.

211986650313 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 211986650313 - 2³⁰ = 210912908489 is a prime.

It is a super-2 number, since 2×211986650313² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (211986650363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218145 + ... + 686702.

It is an arithmetic number, because the mean of its divisors is an integer number (19630677360).

Almost surely, 2^211986650313 is an apocalyptic number.

It is an amenable number.

211986650313 is a deficient number, since it is larger than the sum of its proper divisors (102104187447).

211986650313 is an equidigital number, since it uses as much as digits as its factorization.

211986650313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913533 (or 913527 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 211986650313 in words is "two hundred eleven billion, nine hundred eighty-six million, six hundred fifty thousand, three hundred thirteen".