41343043421 has 4 divisors (see below), whose sum is σ = 43140567072. Its totient is φ = 39545519772.

The previous prime is 41343043409. The next prime is 41343043429. The reversal of 41343043421 is 12434034314.

It is a happy number.

41343043421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 41343043421 - 2²² = 41338849117 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 (41343043429) 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, 898761791 + ... + 898761836.

It is an arithmetic number, because the mean of its divisors is an integer number (10785141768).

Almost surely, 2^41343043421 is an apocalyptic number.

It is an amenable number.

41343043421 is a deficient number, since it is larger than the sum of its proper divisors (1797523651).

41343043421 is a wasteful number, since it uses less digits than its factorization.

41343043421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1797523650.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 41343043421 its reverse (12434034314), we get a palindrome (53777077735).

The spelling of 41343043421 in words is "forty-one billion, three hundred forty-three million, forty-three thousand, four hundred twenty-one".