9273910211921 has 16 divisors (see below), whose sum is σ = 9869746320000. Its totient is φ = 8683672935168.

The previous prime is 9273910211899. The next prime is 9273910211939. The reversal of 9273910211921 is 1291120193729.

It is not a de Polignac number, because 9273910211921 - 2⁴² = 4875863700817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9273913211921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35774630 + ... + 36032928.

It is an arithmetic number, because the mean of its divisors is an integer number (616859145000).

Almost surely, 2^{9273910211921} is an apocalyptic number.

It is an amenable number.

9273910211921 is a deficient number, since it is larger than the sum of its proper divisors (595836108079).

9273910211921 is a wasteful number, since it uses less digits than its factorization.

9273910211921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269128.

The product of its (nonzero) digits is 122472, while the sum is 47.

The spelling of 9273910211921 in words is "nine trillion, two hundred seventy-three billion, nine hundred ten million, two hundred eleven thousand, nine hundred twenty-one".