4021333324313 has 4 divisors (see below), whose sum is σ = 4119414624948. Its totient is φ = 3923252023680.

The previous prime is 4021333324301. The next prime is 4021333324427. The reversal of 4021333324313 is 3134233331204.

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 1805293206544 + 2216040117769 = 1343612^2 + 1488637^2 .

It is a cyclic number.

It is not a de Polignac number, because 4021333324313 - 2⁶ = 4021333324249 is a prime.

It is a super-2 number, since 2×4021333324313² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4021333324313.

It is not an unprimeable number, because it can be changed into a prime (4021333324013) 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, 49040650256 + ... + 49040650337.

It is an arithmetic number, because the mean of its divisors is an integer number (1029853656237).

Almost surely, 2^{4021333324313} is an apocalyptic number.

It is an amenable number.

4021333324313 is a deficient number, since it is larger than the sum of its proper divisors (98081300635).

4021333324313 is an equidigital number, since it uses as much as digits as its factorization.

4021333324313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98081300634.

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 4021333324313 its reverse (3134233331204), we get a palindrome (7155566655517).

The spelling of 4021333324313 in words is "four trillion, twenty-one billion, three hundred thirty-three million, three hundred twenty-four thousand, three hundred thirteen".