211469948844 has 48 divisors (see below), whose sum is σ = 615185308416. Its totient is φ = 54927259200.

The previous prime is 211469948827. The next prime is 211469948857. The reversal of 211469948844 is 448849964112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114430867 + ... + 114432714.

It is an arithmetic number, because the mean of its divisors is an integer number (12816360592).

Almost surely, 2^211469948844 is an apocalyptic number.

It is an amenable number.

211469948844 is an abundant number, since it is smaller than the sum of its proper divisors (403715359572).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211469948844 is a wasteful number, since it uses less digits than its factorization.

211469948844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228863606 (or 228863604 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 60.

The spelling of 211469948844 in words is "two hundred eleven billion, four hundred sixty-nine million, nine hundred forty-eight thousand, eight hundred forty-four".