43066942381 has 8 divisors (see below), whose sum is σ = 44477458560. Its totient is φ = 41677017888.

The previous prime is 43066942379. The next prime is 43066942393. The reversal of 43066942381 is 18324966034.

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 43066942381 - 2¹ = 43066942379 is a prime.

It is a super-2 number, since 2×43066942381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43066942361) 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, 5143671 + ... + 5152036.

It is an arithmetic number, because the mean of its divisors is an integer number (5559682320).

Almost surely, 2^43066942381 is an apocalyptic number.

It is an amenable number.

43066942381 is a deficient number, since it is larger than the sum of its proper divisors (1410516179).

43066942381 is a wasteful number, since it uses less digits than its factorization.

43066942381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10295843.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 43066942381 in words is "forty-three billion, sixty-six million, nine hundred forty-two thousand, three hundred eighty-one".