213529221379 has 8 divisors (see below), whose sum is σ = 217208695472. Its totient is φ = 209855521440.

The previous prime is 213529221359. The next prime is 213529221383. The reversal of 213529221379 is 973122925312.

213529221379 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 213529221379 - 2⁷ = 213529221251 is a prime.

It is a super-3 number, since 3×213529221379³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213529221319) 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, 1368909 + ... + 1516894.

It is an arithmetic number, because the mean of its divisors is an integer number (27151086934).

Almost surely, 2^213529221379 is an apocalyptic number.

213529221379 is a deficient number, since it is larger than the sum of its proper divisors (3679474093).

213529221379 is a wasteful number, since it uses less digits than its factorization.

213529221379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887077.

The product of its digits is 408240, while the sum is 46.

The spelling of 213529221379 in words is "two hundred thirteen billion, five hundred twenty-nine million, two hundred twenty-one thousand, three hundred seventy-nine".