211442857683 has 16 divisors (see below), whose sum is σ = 296925916800. Its totient is φ = 133469052480.

The previous prime is 211442857643. The next prime is 211442857697. The reversal of 211442857683 is 386758244112.

It is not a de Polignac number, because 211442857683 - 2³⁴ = 194262988499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (211442857643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 920938 + ... + 1127391.

It is an arithmetic number, because the mean of its divisors is an integer number (18557869800).

Almost surely, 2^211442857683 is an apocalyptic number.

211442857683 is a deficient number, since it is larger than the sum of its proper divisors (85483059117).

211442857683 is a wasteful number, since it uses less digits than its factorization.

211442857683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050162.

The product of its digits is 2580480, while the sum is 51.

The spelling of 211442857683 in words is "two hundred eleven billion, four hundred forty-two million, eight hundred fifty-seven thousand, six hundred eighty-three".