211362342644 has 6 divisors (see below), whose sum is σ = 369884099634. Its totient is φ = 105681171320.

The previous prime is 211362342641. The next prime is 211362342739. The reversal of 211362342644 is 446243263112.

It can be written as a sum of positive squares in only one way, i.e., 205408368400 + 5953974244 = 453220^2 + 77162^2 .

It is a junction number, because it is equal to n+sod(n) for n = 211362342598 and 211362342607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211362342641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26420292827 + ... + 26420292834.

It is an arithmetic number, because the mean of its divisors is an integer number (61647349939).

Almost surely, 2^211362342644 is an apocalyptic number.

It is an amenable number.

211362342644 is a deficient number, since it is larger than the sum of its proper divisors (158521756990).

211362342644 is a wasteful number, since it uses less digits than its factorization.

211362342644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52840585665 (or 52840585663 counting only the distinct ones).

The product of its digits is 165888, while the sum is 38.

The spelling of 211362342644 in words is "two hundred eleven billion, three hundred sixty-two million, three hundred forty-two thousand, six hundred forty-four".