43301342421 has 32 divisors (see below), whose sum is σ = 64614078720. Its totient is φ = 28659275712.

The previous prime is 43301342419. The next prime is 43301342429. The reversal of 43301342421 is 12424310334.

It is not a de Polignac number, because 43301342421 - 2¹ = 43301342419 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43301342429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3417520 + ... + 3430166.

It is an arithmetic number, because the mean of its divisors is an integer number (2019189960).

Almost surely, 2^43301342421 is an apocalyptic number.

It is an amenable number.

43301342421 is a deficient number, since it is larger than the sum of its proper divisors (21312736299).

43301342421 is a wasteful number, since it uses less digits than its factorization.

43301342421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13562 (or 13556 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 43301342421 its reverse (12424310334), we get a palindrome (55725652755).

The spelling of 43301342421 in words is "forty-three billion, three hundred one million, three hundred forty-two thousand, four hundred twenty-one".