210871047004 has 24 divisors (see below), whose sum is σ = 370631358720. Its totient is φ = 104976524016.

The previous prime is 210871046989. The next prime is 210871047007. The reversal of 210871047004 is 400740178012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210871047007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6970399 + ... + 7000585.

It is an arithmetic number, because the mean of its divisors is an integer number (15442973280).

Almost surely, 2^210871047004 is an apocalyptic number.

It is an amenable number.

210871047004 is a deficient number, since it is larger than the sum of its proper divisors (159760311716).

210871047004 is a wasteful number, since it uses less digits than its factorization.

210871047004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37737 (or 37735 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 34.

The spelling of 210871047004 in words is "two hundred ten billion, eight hundred seventy-one million, forty-seven thousand, four".