43066424451421 has 8 divisors (see below), whose sum is σ = 49219810625664. Its totient is φ = 36913298233200.

The previous prime is 43066424451371. The next prime is 43066424451461. The reversal of 43066424451421 is 12415442466034.

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 43066424451421 - 2⁴⁵ = 7882052362589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43066424451461) 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, 64633870 + ... + 65296783.

It is an arithmetic number, because the mean of its divisors is an integer number (6152476328208).

Almost surely, 2^{43066424451421} is an apocalyptic number.

It is an amenable number.

43066424451421 is a deficient number, since it is larger than the sum of its proper divisors (6153386174243).

43066424451421 is a wasteful number, since it uses less digits than its factorization.

43066424451421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129978011.

The product of its (nonzero) digits is 2211840, while the sum is 46.

The spelling of 43066424451421 in words is "forty-three trillion, sixty-six billion, four hundred twenty-four million, four hundred fifty-one thousand, four hundred twenty-one".