43401443004321 has 8 divisors (see below), whose sum is σ = 57868622691360. Its totient is φ = 28934279326752.

The previous prime is 43401443004319. The next prime is 43401443004341. The reversal of 43401443004321 is 12340034410434.

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

It is not a de Polignac number, because 43401443004321 - 2¹ = 43401443004319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (43401443004341) 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, 5645941 + ... + 10894013.

It is an arithmetic number, because the mean of its divisors is an integer number (7233577836420).

Almost surely, 2^{43401443004321} is an apocalyptic number.

It is an amenable number.

43401443004321 is a deficient number, since it is larger than the sum of its proper divisors (14467179687039).

43401443004321 is a wasteful number, since it uses less digits than its factorization.

43401443004321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8004735.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 43401443004321 its reverse (12340034410434), we get a palindrome (55741477414755).

The spelling of 43401443004321 in words is "forty-three trillion, four hundred one billion, four hundred forty-three million, four thousand, three hundred twenty-one".