213620650553 has 8 divisors (see below), whose sum is σ = 213864134400. Its totient is φ = 213377299200.

The previous prime is 213620650531. The next prime is 213620650561. The reversal of 213620650553 is 355056026312.

213620650553 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 213620650553 - 2²⁶ = 213553541689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (213620650153) 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, 3392153 + ... + 3454553.

It is an arithmetic number, because the mean of its divisors is an integer number (26733016800).

Almost surely, 2^213620650553 is an apocalyptic number.

It is an amenable number.

213620650553 is a deficient number, since it is larger than the sum of its proper divisors (243483847).

213620650553 is a wasteful number, since it uses less digits than its factorization.

213620650553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66247.

The product of its (nonzero) digits is 162000, while the sum is 38.

Adding to 213620650553 its reverse (355056026312), we get a palindrome (568676676865).

The spelling of 213620650553 in words is "two hundred thirteen billion, six hundred twenty million, six hundred fifty thousand, five hundred fifty-three".