211439950276 has 27 divisors (see below), whose sum is σ = 372047496303. Its totient is φ = 105143813160.

The previous prime is 211439950223. The next prime is 211439950279. The reversal of 211439950276 is 672059934112.

The square root of 211439950276 is 459826.

It is a perfect power (a square), and thus also a powerful number.

211439950276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211439950279) 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 8 ways as a sum of consecutive naturals, for example, 205081881 + ... + 205082911.

Almost surely, 2^211439950276 is an apocalyptic number.

211439950276 is the 459826-th square number.

It is an amenable number.

211439950276 is a deficient number, since it is larger than the sum of its proper divisors (160607546027).

211439950276 is an frugal number, since it uses more digits than its factorization.

211439950276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512 (or 1256 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 49.

Multiplying 211439950276 by its sum of digits (49), we get a square (10360557563524 = 3218782²).

The spelling of 211439950276 in words is "two hundred eleven billion, four hundred thirty-nine million, nine hundred fifty thousand, two hundred seventy-six".