9673651621200 has 120 divisors (see below), whose sum is σ = 35414777965888. Its totient is φ = 2211120368640.

The previous prime is 9673651621187. The next prime is 9673651621201. The reversal of 9673651621200 is 21261563769.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 9673651621200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9673651621201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 575804197 + ... + 575820996.

Almost surely, 2^{9673651621200} is an apocalyptic number.

It is an amenable number.

9673651621200 is an abundant number, since it is smaller than the sum of its proper divisors (25741126344688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9673651621200 is a wasteful number, since it uses less digits than its factorization.

9673651621200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151625221 (or 1151625210 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 48.

The spelling of 9673651621200 in words is "nine trillion, six hundred seventy-three billion, six hundred fifty-one million, six hundred twenty-one thousand, two hundred".