8075749999943 has 4 divisors (see below), whose sum is σ = 8075800518240. Its totient is φ = 8075699481648.

The previous prime is 8075749999879. The next prime is 8075749999987. The reversal of 8075749999943 is 3499999475708.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8075749999943 - 2⁶ = 8075749999879 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 (8075749999543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25018598 + ... + 25339331.

It is an arithmetic number, because the mean of its divisors is an integer number (2018950129560).

Almost surely, 2^{8075749999943} is an apocalyptic number.

8075749999943 is a deficient number, since it is larger than the sum of its proper divisors (50518297).

8075749999943 is a wasteful number, since it uses less digits than its factorization.

8075749999943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50518296.

The product of its (nonzero) digits is 5555329920, while the sum is 83.

The spelling of 8075749999943 in words is "eight trillion, seventy-five billion, seven hundred forty-nine million, nine hundred ninety-nine thousand, nine hundred forty-three".