2944330921 has 4 divisors (see below), whose sum is σ = 3364949632. Its totient is φ = 2523712212.

The previous prime is 2944330913. The next prime is 2944330931. The reversal of 2944330921 is 1290334492.

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 not a de Polignac number, because 2944330921 - 2³ = 2944330913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2944330931) 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, 210309345 + ... + 210309358.

It is an arithmetic number, because the mean of its divisors is an integer number (841237408).

Almost surely, 2^2944330921 is an apocalyptic number.

It is an amenable number.

2944330921 is a deficient number, since it is larger than the sum of its proper divisors (420618711).

2944330921 is an equidigital number, since it uses as much as digits as its factorization.

2944330921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420618710.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 2944330921 is about 54261.6892567860. The cubic root of 2944330921 is about 1433.2728468376.

The spelling of 2944330921 in words is "two billion, nine hundred forty-four million, three hundred thirty thousand, nine hundred twenty-one".