75049891443 has 16 divisors (see below), whose sum is σ = 111540260640. Its totient is φ = 49873404672.

The previous prime is 75049891421. The next prime is 75049891463. The reversal of 75049891443 is 34419894057.

75049891443 is a `hidden beast` number, since 7 + 5 + 0 + 498 + 9 + 144 + 3 = 666.

It is not a de Polignac number, because 75049891443 - 2¹⁷ = 75049760371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 75049891443.

It is not an unprimeable number, because it can be changed into a prime (75049891463) 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, 4431846 + ... + 4448747.

It is an arithmetic number, because the mean of its divisors is an integer number (6971266290).

Almost surely, 2^75049891443 is an apocalyptic number.

75049891443 is a deficient number, since it is larger than the sum of its proper divisors (36490369197).

75049891443 is a wasteful number, since it uses less digits than its factorization.

75049891443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8880915 (or 8880909 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 54.

The spelling of 75049891443 in words is "seventy-five billion, forty-nine million, eight hundred ninety-one thousand, four hundred forty-three".