2333421421 has 4 divisors (see below), whose sum is σ = 2365386172. Its totient is φ = 2301456672.

The previous prime is 2333421373. The next prime is 2333421437. The reversal of 2333421421 is 1241243332.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 653569225 + 1679852196 = 25565^2 + 40986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2333421421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2333421451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15982266 + ... + 15982411.

It is an arithmetic number, because the mean of its divisors is an integer number (591346543).

Almost surely, 2^2333421421 is an apocalyptic number.

It is an amenable number.

2333421421 is a deficient number, since it is larger than the sum of its proper divisors (31964751).

2333421421 is an equidigital number, since it uses as much as digits as its factorization.

2333421421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31964750.

The product of its digits is 3456, while the sum is 25.

The square root of 2333421421 is about 48305.5009393340. The cubic root of 2333421421 is about 1326.3690931776.

Adding to 2333421421 its reverse (1241243332), we get a palindrome (3574664753).

The spelling of 2333421421 in words is "two billion, three hundred thirty-three million, four hundred twenty-one thousand, four hundred twenty-one".