9854921321 has 4 divisors (see below), whose sum is σ = 11262767232. Its totient is φ = 8447075412.

The previous prime is 9854921303. The next prime is 9854921327. The reversal of 9854921321 is 1231294589.

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 9854921321 - 2¹⁴ = 9854904937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9854921327) 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, 703922945 + ... + 703922958.

It is an arithmetic number, because the mean of its divisors is an integer number (2815691808).

Almost surely, 2^9854921321 is an apocalyptic number.

It is an amenable number.

9854921321 is a deficient number, since it is larger than the sum of its proper divisors (1407845911).

9854921321 is a wasteful number, since it uses less digits than its factorization.

9854921321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407845910.

The product of its digits is 155520, while the sum is 44.

The square root of 9854921321 is about 99271.9563673448. The cubic root of 9854921321 is about 2143.9651440490.

The spelling of 9854921321 in words is "nine billion, eight hundred fifty-four million, nine hundred twenty-one thousand, three hundred twenty-one".