43342344601021 has 16 divisors (see below), whose sum is σ = 46646922530880. Its totient is φ = 40121736180480.

The previous prime is 43342344601001. The next prime is 43342344601081. The reversal of 43342344601021 is 12010644324334.

It is a cyclic number.

It is not a de Polignac number, because 43342344601021 - 2⁹ = 43342344600509 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 (43342344601001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16828390 + ... + 19232248.

It is an arithmetic number, because the mean of its divisors is an integer number (2915432658180).

Almost surely, 2^{43342344601021} is an apocalyptic number.

It is an amenable number.

43342344601021 is a deficient number, since it is larger than the sum of its proper divisors (3304577929859).

43342344601021 is a wasteful number, since it uses less digits than its factorization.

43342344601021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2421324.

The product of its (nonzero) digits is 165888, while the sum is 37.

Adding to 43342344601021 its reverse (12010644324334), we get a palindrome (55352988925355).

The spelling of 43342344601021 in words is "forty-three trillion, three hundred forty-two billion, three hundred forty-four million, six hundred one thousand, twenty-one".