43201424021 has 16 divisors (see below), whose sum is σ = 52194729600. Its totient is φ = 34930268928.

The previous prime is 43201423999. The next prime is 43201424023. The reversal of 43201424021 is 12042410234.

It is a cyclic number.

It is not a de Polignac number, because 43201424021 - 2¹⁴ = 43201407637 is a prime.

It is a Duffinian number.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43201424023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666056 + ... + 728033.

It is an arithmetic number, because the mean of its divisors is an integer number (3262170600).

Almost surely, 2^43201424021 is an apocalyptic number.

It is an amenable number.

43201424021 is a deficient number, since it is larger than the sum of its proper divisors (8993305579).

43201424021 is a wasteful number, since it uses less digits than its factorization.

43201424021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394348.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 43201424021 its reverse (12042410234), we get a palindrome (55243834255).

The spelling of 43201424021 in words is "forty-three billion, two hundred one million, four hundred twenty-four thousand, twenty-one".