9421201155253 has 4 divisors (see below), whose sum is σ = 9421981649568. Its totient is φ = 9420420660940.

The previous prime is 9421201155251. The next prime is 9421201155269. The reversal of 9421201155253 is 3525511021249.

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 9421201155253 - 2¹ = 9421201155251 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9421201155251) 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 3 ways as a sum of consecutive naturals, for example, 390229051 + ... + 390253192.

It is an arithmetic number, because the mean of its divisors is an integer number (2355495412392).

Almost surely, 2^{9421201155253} is an apocalyptic number.

It is an amenable number.

9421201155253 is a deficient number, since it is larger than the sum of its proper divisors (780494315).

9421201155253 is a wasteful number, since it uses less digits than its factorization.

9421201155253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780494314.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 9421201155253 in words is "nine trillion, four hundred twenty-one billion, two hundred one million, one hundred fifty-five thousand, two hundred fifty-three".