13443410002021 has 4 divisors (see below), whose sum is σ = 13729440002112. Its totient is φ = 13157380001932.

The previous prime is 13443410002003. The next prime is 13443410002037. The reversal of 13443410002021 is 12020001434431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13443410002021 - 2¹⁷ = 13443409870949 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 (13443410002721) 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, 143014999975 + ... + 143015000068.

It is an arithmetic number, because the mean of its divisors is an integer number (3432360000528).

Almost surely, 2^{13443410002021} is an apocalyptic number.

It is an amenable number.

13443410002021 is a deficient number, since it is larger than the sum of its proper divisors (286030000091).

13443410002021 is an equidigital number, since it uses as much as digits as its factorization.

13443410002021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286030000090.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13443410002021 its reverse (12020001434431), we get a palindrome (25463411436452).

The spelling of 13443410002021 in words is "thirteen trillion, four hundred forty-three billion, four hundred ten million, two thousand, twenty-one".