2443313012021 has 8 divisors (see below), whose sum is σ = 2792891375424. Its totient is φ = 2093868060480.

The previous prime is 2443313012009. The next prime is 2443313012057. The reversal of 2443313012021 is 1202103133442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2443313012021 - 2²⁶ = 2443245903157 is a prime.

It is a super-2 number, since 2×2443313012021² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2443313012321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33313715 + ... + 33386976.

It is an arithmetic number, because the mean of its divisors is an integer number (349111421928).

Almost surely, 2^{2443313012021} is an apocalyptic number.

It is an amenable number.

2443313012021 is a deficient number, since it is larger than the sum of its proper divisors (349578363403).

2443313012021 is an equidigital number, since it uses as much as digits as its factorization.

2443313012021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66705931.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 2443313012021 its reverse (1202103133442), we get a palindrome (3645416145463).

The spelling of 2443313012021 in words is "two trillion, four hundred forty-three billion, three hundred thirteen million, twelve thousand, twenty-one".