43301340021 has 8 divisors (see below), whose sum is σ = 57749221600. Its totient is φ = 28860509232.

The previous prime is 43301339971. The next prime is 43301340083. The reversal of 43301340021 is 12004310334.

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

It is not a de Polignac number, because 43301340021 - 2⁶ = 43301339957 is a prime.

It is a super-2 number, since 2×43301340021² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 43301340021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43301340221) 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 7 ways as a sum of consecutive naturals, for example, 1748350 + ... + 1772943.

It is an arithmetic number, because the mean of its divisors is an integer number (7218652700).

Almost surely, 2^43301340021 is an apocalyptic number.

It is an amenable number.

43301340021 is a deficient number, since it is larger than the sum of its proper divisors (14447881579).

43301340021 is a wasteful number, since it uses less digits than its factorization.

43301340021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3525395.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 43301340021 its reverse (12004310334), we get a palindrome (55305650355).

The spelling of 43301340021 in words is "forty-three billion, three hundred one million, three hundred forty thousand, twenty-one".