3338521345 has 4 divisors (see below), whose sum is σ = 4006225620. Its totient is φ = 2670817072.

The previous prime is 3338521339. The next prime is 3338521349. The reversal of 3338521345 is 5431258333.

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 341177841 + 2997343504 = 18471^2 + 54748^2 .

It is a cyclic number.

It is not a de Polignac number, because 3338521345 - 2¹⁹ = 3337997057 is a prime.

It is a super-2 number, since 2×3338521345² = 22291449542041218050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3338521349) 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, 333852130 + ... + 333852139.

It is an arithmetic number, because the mean of its divisors is an integer number (1001556405).

Almost surely, 2^3338521345 is an apocalyptic number.

It is an amenable number.

3338521345 is a deficient number, since it is larger than the sum of its proper divisors (667704275).

3338521345 is an equidigital number, since it uses as much as digits as its factorization.

3338521345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 667704274.

The product of its digits is 129600, while the sum is 37.

The square root of 3338521345 is about 57779.9389494312. The cubic root of 3338521345 is about 1494.5761664730.

Adding to 3338521345 its reverse (5431258333), we get a palindrome (8769779678).

The spelling of 3338521345 in words is "three billion, three hundred thirty-eight million, five hundred twenty-one thousand, three hundred forty-five".