43424417412521 has 8 divisors (see below), whose sum is σ = 43441501045344. Its totient is φ = 43407335553120.

The previous prime is 43424417412503. The next prime is 43424417412553. The reversal of 43424417412521 is 12521471442434.

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 43424417412521 - 2¹⁴ = 43424417396137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43424417412121) 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, 49648430 + ... + 50515496.

It is an arithmetic number, because the mean of its divisors is an integer number (5430187630668).

Almost surely, 2^{43424417412521} is an apocalyptic number.

It is an amenable number.

43424417412521 is a deficient number, since it is larger than the sum of its proper divisors (17083632823).

43424417412521 is a wasteful number, since it uses less digits than its factorization.

43424417412521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886711.

The product of its digits is 860160, while the sum is 44.

Adding to 43424417412521 its reverse (12521471442434), we get a palindrome (55945888854955).

The spelling of 43424417412521 in words is "forty-three trillion, four hundred twenty-four billion, four hundred seventeen million, four hundred twelve thousand, five hundred twenty-one".