43347240421 has 8 divisors (see below), whose sum is σ = 45234238464. Its totient is φ = 41460437040.

The previous prime is 43347240413. The next prime is 43347240451. The reversal of 43347240421 is 12404274334.

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 43347240421 - 2³ = 43347240413 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 (43347240451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578491 + ... + 649111.

It is an arithmetic number, because the mean of its divisors is an integer number (5654279808).

Almost surely, 2^43347240421 is an apocalyptic number.

It is an amenable number.

43347240421 is a deficient number, since it is larger than the sum of its proper divisors (1886998043).

43347240421 is a wasteful number, since it uses less digits than its factorization.

43347240421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97331.

The product of its (nonzero) digits is 64512, while the sum is 34.

The spelling of 43347240421 in words is "forty-three billion, three hundred forty-seven million, two hundred forty thousand, four hundred twenty-one".