43678442371 has 16 divisors (see below), whose sum is σ = 44538670080. Its totient is φ = 42825948480.

The previous prime is 43678442369. The next prime is 43678442387. The reversal of 43678442371 is 17324487634.

It is a cyclic number.

It is not a de Polignac number, because 43678442371 - 2¹ = 43678442369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43678442471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12054066 + ... + 12057688.

It is an arithmetic number, because the mean of its divisors is an integer number (2783666880).

Almost surely, 2^43678442371 is an apocalyptic number.

43678442371 is a deficient number, since it is larger than the sum of its proper divisors (860227709).

43678442371 is a wasteful number, since it uses less digits than its factorization.

43678442371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626.

The product of its digits is 2709504, while the sum is 49.

The spelling of 43678442371 in words is "forty-three billion, six hundred seventy-eight million, four hundred forty-two thousand, three hundred seventy-one".