211986744764 has 12 divisors (see below), whose sum is σ = 375672712800. Its totient is φ = 104651683968.

The previous prime is 211986744763. The next prime is 211986744799. The reversal of 211986744764 is 467447689112.

211986744764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (59) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211986744763) 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 3 ways as a sum of consecutive naturals, for example, 335421749 + ... + 335422380.

It is an arithmetic number, because the mean of its divisors is an integer number (31306059400).

Almost surely, 2^211986744764 is an apocalyptic number.

It is an amenable number.

211986744764 is a deficient number, since it is larger than the sum of its proper divisors (163685968036).

211986744764 is a wasteful number, since it uses less digits than its factorization.

211986744764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670844212 (or 670844210 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 59.

The spelling of 211986744764 in words is "two hundred eleven billion, nine hundred eighty-six million, seven hundred forty-four thousand, seven hundred sixty-four".