201324789853 has 4 divisors (see below), whose sum is σ = 219627043488. Its totient is φ = 183022536220.

The previous prime is 201324789847. The next prime is 201324789877. The reversal of 201324789853 is 358987423102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201324789853 - 2⁵ = 201324789821 is a prime.

It is a super-2 number, since 2×201324789853² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201324789853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201324789833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9151126801 + ... + 9151126822.

It is an arithmetic number, because the mean of its divisors is an integer number (54906760872).

Almost surely, 2^201324789853 is an apocalyptic number.

It is an amenable number.

201324789853 is a deficient number, since it is larger than the sum of its proper divisors (18302253635).

201324789853 is a wasteful number, since it uses less digits than its factorization.

201324789853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18302253634.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 201324789853 in words is "two hundred one billion, three hundred twenty-four million, seven hundred eighty-nine thousand, eight hundred fifty-three".