9755224406321 has 4 divisors (see below), whose sum is σ = 9755877862500. Its totient is φ = 9754570950144.

The previous prime is 9755224406303. The next prime is 9755224406351. The reversal of 9755224406321 is 1236044225579.

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 9008882190400 + 746342215921 = 3001480^2 + 863911^2 .

It is a cyclic number.

It is not a de Polignac number, because 9755224406321 - 2⁴² = 5357177895217 is a prime.

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 9755224406321.

It is not an unprimeable number, because it can be changed into a prime (9755224406351) 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, 326705696 + ... + 326735553.

It is an arithmetic number, because the mean of its divisors is an integer number (2438969465625).

Almost surely, 2^{9755224406321} is an apocalyptic number.

It is an amenable number.

9755224406321 is a deficient number, since it is larger than the sum of its proper divisors (653456179).

9755224406321 is a wasteful number, since it uses less digits than its factorization.

9755224406321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653456178.

The product of its (nonzero) digits is 3628800, while the sum is 50.

The spelling of 9755224406321 in words is "nine trillion, seven hundred fifty-five billion, two hundred twenty-four million, four hundred six thousand, three hundred twenty-one".