43221376001 has 8 divisors (see below), whose sum is σ = 43516569600. Its totient is φ = 42926250928.

The previous prime is 43221375971. The next prime is 43221376043. The reversal of 43221376001 is 10067312234.

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 43221376001 - 2¹⁸ = 43221113857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43221376061) 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, 2393930 + ... + 2411916.

It is an arithmetic number, because the mean of its divisors is an integer number (5439571200).

Almost surely, 2^43221376001 is an apocalyptic number.

It is an amenable number.

43221376001 is a deficient number, since it is larger than the sum of its proper divisors (295193599).

43221376001 is a wasteful number, since it uses less digits than its factorization.

43221376001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34263.

The product of its (nonzero) digits is 6048, while the sum is 29.

Adding to 43221376001 its reverse (10067312234), we get a palindrome (53288688235).

The spelling of 43221376001 in words is "forty-three billion, two hundred twenty-one million, three hundred seventy-six thousand, one".