3889493043 has 4 divisors (see below), whose sum is σ = 5185990728. Its totient is φ = 2592995360.

The previous prime is 3889493029. The next prime is 3889493057. The reversal of 3889493043 is 3403949883.

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

It is an interprime number because it is at equal distance from previous prime (3889493029) and next prime (3889493057).

It is a cyclic number.

It is not a de Polignac number, because 3889493043 - 2⁶ = 3889492979 is a prime.

It is a super-4 number, since 4×3889493043⁴ (a number of 39 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (3889493143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 648248838 + ... + 648248843.

It is an arithmetic number, because the mean of its divisors is an integer number (1296497682).

Almost surely, 2^3889493043 is an apocalyptic number.

3889493043 is a deficient number, since it is larger than the sum of its proper divisors (1296497685).

3889493043 is a wasteful number, since it uses less digits than its factorization.

3889493043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1296497684.

The product of its (nonzero) digits is 2239488, while the sum is 51.

The square root of 3889493043 is about 62365.8002674543. The cubic root of 3889493043 is about 1572.6460905806.

The spelling of 3889493043 in words is "three billion, eight hundred eighty-nine million, four hundred ninety-three thousand, forty-three".