2021440344513 has 8 divisors (see below), whose sum is σ = 2812438740288. Its totient is φ = 1289034422544.

The previous prime is 2021440344509. The next prime is 2021440344587. The reversal of 2021440344513 is 3154430441202.

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

It is not a de Polignac number, because 2021440344513 - 2² = 2021440344509 is a prime.

It is a super-2 number, since 2×2021440344513² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2021440344593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14648118370 + ... + 14648118507.

It is an arithmetic number, because the mean of its divisors is an integer number (351554842536).

Almost surely, 2^{2021440344513} is an apocalyptic number.

2021440344513 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2021440344513 is a deficient number, since it is larger than the sum of its proper divisors (790998395775).

2021440344513 is a wasteful number, since it uses less digits than its factorization.

2021440344513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29296236903.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 2021440344513 its reverse (3154430441202), we get a palindrome (5175870785715).

The spelling of 2021440344513 in words is "two trillion, twenty-one billion, four hundred forty million, three hundred forty-four thousand, five hundred thirteen".