43401341420221 has 8 divisors (see below), whose sum is σ = 43421319913664. Its totient is φ = 43381363764960.

The previous prime is 43401341420183. The next prime is 43401341420249. The reversal of 43401341420221 is 12202414310434.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 43401341420221 - 2³⁷ = 43263902466749 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 (43401341420291) 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, 118847110 + ... + 119211736.

It is an arithmetic number, because the mean of its divisors is an integer number (5427664989208).

Almost surely, 2^{43401341420221} is an apocalyptic number.

It is an amenable number.

43401341420221 is a deficient number, since it is larger than the sum of its proper divisors (19978493443).

43401341420221 is a wasteful number, since it uses less digits than its factorization.

43401341420221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 419091.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 43401341420221 its reverse (12202414310434), we get a palindrome (55603755730655).

The spelling of 43401341420221 in words is "forty-three trillion, four hundred one billion, three hundred forty-one million, four hundred twenty thousand, two hundred twenty-one".