9273912970821 has 8 divisors (see below), whose sum is σ = 12902835437760. Its totient is φ = 5913799575552.

The previous prime is 9273912970801. The next prime is 9273912970823. The reversal of 9273912970821 is 1280792193729.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9273912970821 - 2²⁷ = 9273778753093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9273912970823) 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 7 ways as a sum of consecutive naturals, for example, 67202267836 + ... + 67202267973.

It is an arithmetic number, because the mean of its divisors is an integer number (1612854429720).

Almost surely, 2^{9273912970821} is an apocalyptic number.

It is an amenable number.

9273912970821 is a deficient number, since it is larger than the sum of its proper divisors (3628922466939).

9273912970821 is a wasteful number, since it uses less digits than its factorization.

9273912970821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134404535835.

The product of its (nonzero) digits is 6858432, while the sum is 60.

The spelling of 9273912970821 in words is "nine trillion, two hundred seventy-three billion, nine hundred twelve million, nine hundred seventy thousand, eight hundred twenty-one".