211386316749443 has 4 divisors (see below), whose sum is σ = 230603254635768. Its totient is φ = 192169378863120.

The previous prime is 211386316749409. The next prime is 211386316749479. The reversal of 211386316749443 is 344947613683112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211386316749443 - 2³⁰ = 211385243007619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211386316749943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9608468943146 + ... + 9608468943167.

It is an arithmetic number, because the mean of its divisors is an integer number (57650813658942).

Almost surely, 2^{211386316749443} is an apocalyptic number.

211386316749443 is a deficient number, since it is larger than the sum of its proper divisors (19216937886325).

211386316749443 is a wasteful number, since it uses less digits than its factorization.

211386316749443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19216937886324.

The product of its digits is 62705664, while the sum is 62.

The spelling of 211386316749443 in words is "two hundred eleven trillion, three hundred eighty-six billion, three hundred sixteen million, seven hundred forty-nine thousand, four hundred forty-three".