211946294718 has 12 divisors (see below), whose sum is σ = 459216971928. Its totient is φ = 70648764900.

The previous prime is 211946294689. The next prime is 211946294731. The reversal of 211946294718 is 817492649112.

211946294718 is a `hidden beast` number, since 2 + 1 + 1 + 9 + 4 + 629 + 4 + 7 + 1 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5887397058 + ... + 5887397093.

It is an arithmetic number, because the mean of its divisors is an integer number (38268080994).

Almost surely, 2^211946294718 is an apocalyptic number.

211946294718 is an abundant number, since it is smaller than the sum of its proper divisors (247270677210).

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

211946294718 is a wasteful number, since it uses less digits than its factorization.

211946294718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11774794159 (or 11774794156 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The spelling of 211946294718 in words is "two hundred eleven billion, nine hundred forty-six million, two hundred ninety-four thousand, seven hundred eighteen".