211469841172 has 6 divisors (see below), whose sum is σ = 370072222058. Its totient is φ = 105734920584.

The previous prime is 211469841161. The next prime is 211469841199. The reversal of 211469841172 is 271148964112.

It can be written as a sum of positive squares in only one way, i.e., 105868239876 + 105601601296 = 325374^2 + 324964^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26433730143 + ... + 26433730150.

Almost surely, 2^211469841172 is an apocalyptic number.

It is an amenable number.

211469841172 is a deficient number, since it is larger than the sum of its proper divisors (158602380886).

211469841172 is a wasteful number, since it uses less digits than its factorization.

211469841172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52867460297 (or 52867460295 counting only the distinct ones).

The product of its digits is 193536, while the sum is 46.

The spelling of 211469841172 in words is "two hundred eleven billion, four hundred sixty-nine million, eight hundred forty-one thousand, one hundred seventy-two".