9853218401 has 4 divisors (see below), whose sum is σ = 10611158292. Its totient is φ = 9095278512.

The previous prime is 9853218383. The next prime is 9853218409. The reversal of 9853218401 is 1048123589.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6500229376 + 3352989025 = 80624^2 + 57905^2 .

It is a cyclic number.

It is not a de Polignac number, because 9853218401 - 2⁶ = 9853218337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9853218409) 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, 378969926 + ... + 378969951.

It is an arithmetic number, because the mean of its divisors is an integer number (2652789573).

Almost surely, 2^9853218401 is an apocalyptic number.

It is an amenable number.

9853218401 is a deficient number, since it is larger than the sum of its proper divisors (757939891).

9853218401 is a wasteful number, since it uses less digits than its factorization.

9853218401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757939890.

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 9853218401 is about 99263.3789521594. The cubic root of 9853218401 is about 2143.8416452974.

The spelling of 9853218401 in words is "nine billion, eight hundred fifty-three million, two hundred eighteen thousand, four hundred one".