213236853881 has 8 divisors (see below), whose sum is σ = 219435418944. Its totient is φ = 207061205040.

The previous prime is 213236853877. The next prime is 213236853919. The reversal of 213236853881 is 188358632312.

213236853881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213236853881 - 2² = 213236853877 is a prime.

It is a super-2 number, since 2×213236853881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (213236853281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5710175 + ... + 5747396.

It is an arithmetic number, because the mean of its divisors is an integer number (27429427368).

Almost surely, 2^213236853881 is an apocalyptic number.

It is an amenable number.

213236853881 is a deficient number, since it is larger than the sum of its proper divisors (6198565063).

213236853881 is a wasteful number, since it uses less digits than its factorization.

213236853881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11458111.

The product of its digits is 1658880, while the sum is 50.

The spelling of 213236853881 in words is "two hundred thirteen billion, two hundred thirty-six million, eight hundred fifty-three thousand, eight hundred eighty-one".