321298849953 has 48 divisors (see below), whose sum is σ = 491519508480. Its totient is φ = 201685172832.

The previous prime is 321298849901. The next prime is 321298849973. The reversal of 321298849953 is 359948892123.

321298849953 is a `hidden beast` number, since 3 + 2 + 1 + 2 + 98 + 8 + 499 + 53 = 666.

It is not a de Polignac number, because 321298849953 - 2¹⁰ = 321298848929 is a prime.

It is a super-2 number, since 2×321298849953² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (321298849973) 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 47 ways as a sum of consecutive naturals, for example, 19914976 + ... + 19931102.

It is an arithmetic number, because the mean of its divisors is an integer number (10239989760).

Almost surely, 2^321298849953 is an apocalyptic number.

It is an amenable number.

321298849953 is a deficient number, since it is larger than the sum of its proper divisors (170220658527).

321298849953 is a wasteful number, since it uses less digits than its factorization.

321298849953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16858 (or 16855 counting only the distinct ones).

The product of its digits is 33592320, while the sum is 63.

The spelling of 321298849953 in words is "three hundred twenty-one billion, two hundred ninety-eight million, eight hundred forty-nine thousand, nine hundred fifty-three".