213826483821 has 8 divisors (see below), whose sum is σ = 286116577344. Its totient is φ = 142043689760.

The previous prime is 213826483817. The next prime is 213826483859. The reversal of 213826483821 is 128384628312.

213826483821 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 213826483821 - 2² = 213826483817 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213826483121) 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, 126823881 + ... + 126825566.

It is an arithmetic number, because the mean of its divisors is an integer number (35764572168).

Almost surely, 2^213826483821 is an apocalyptic number.

It is an amenable number.

213826483821 is a deficient number, since it is larger than the sum of its proper divisors (72290093523).

213826483821 is a wasteful number, since it uses less digits than its factorization.

213826483821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253649731.

The product of its digits is 884736, while the sum is 48.

The spelling of 213826483821 in words is "two hundred thirteen billion, eight hundred twenty-six million, four hundred eighty-three thousand, eight hundred twenty-one".