3043393921 has 4 divisors (see below), whose sum is σ = 3047092672. Its totient is φ = 3039695172.

The previous prime is 3043393919. The next prime is 3043393937. The reversal of 3043393921 is 1293933403.

It is a happy number.

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 3043393921 - 2¹ = 3043393919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3043393901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1848141 + ... + 1849786.

It is an arithmetic number, because the mean of its divisors is an integer number (761773168).

Almost surely, 2^3043393921 is an apocalyptic number.

It is an amenable number.

3043393921 is a deficient number, since it is larger than the sum of its proper divisors (3698751).

3043393921 is an equidigital number, since it uses as much as digits as its factorization.

3043393921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3698750.

The product of its (nonzero) digits is 52488, while the sum is 37.

The square root of 3043393921 is about 55166.9640364594. The cubic root of 3043393921 is about 1449.1701825088.

The spelling of 3043393921 in words is "three billion, forty-three million, three hundred ninety-three thousand, nine hundred twenty-one".