211684797004 has 24 divisors (see below), whose sum is σ = 371562157568. Its totient is φ = 105524344080.

The previous prime is 211684797001. The next prime is 211684797019. The reversal of 211684797004 is 400797486112.

It is not an unprimeable number, because it can be changed into a prime (211684797001) 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 7 ways as a sum of consecutive naturals, for example, 5770039 + ... + 5806609.

Almost surely, 2^211684797004 is an apocalyptic number.

It is an amenable number.

211684797004 is a deficient number, since it is larger than the sum of its proper divisors (159877360564).

211684797004 is a wasteful number, since it uses less digits than its factorization.

211684797004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40885 (or 40883 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 211684797004 in words is "two hundred eleven billion, six hundred eighty-four million, seven hundred ninety-seven thousand, four".