211944502939 has 8 divisors (see below), whose sum is σ = 229990278672. Its totient is φ = 194147634720.

The previous prime is 211944502877. The next prime is 211944502999. The reversal of 211944502939 is 939205449112.

It is a happy number.

211944502939 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 211944502939 - 2¹³ = 211944494747 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211944502892 and 211944502901.

It is not an unprimeable number, because it can be changed into a prime (211944502999) 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 7 ways as a sum of consecutive naturals, for example, 62225104 + ... + 62228509.

It is an arithmetic number, because the mean of its divisors is an integer number (28748784834).

Almost surely, 2^211944502939 is an apocalyptic number.

211944502939 is a deficient number, since it is larger than the sum of its proper divisors (18045775733).

211944502939 is a wasteful number, since it uses less digits than its factorization.

211944502939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124453757.

The product of its (nonzero) digits is 699840, while the sum is 49.

The spelling of 211944502939 in words is "two hundred eleven billion, nine hundred forty-four million, five hundred two thousand, nine hundred thirty-nine".