6557938043 has 8 divisors (see below), whose sum is σ = 6888996000. Its totient is φ = 6230707648.

The previous prime is 6557938039. The next prime is 6557938061. The reversal of 6557938043 is 3408397556.

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 6557938043 - 2² = 6557938039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6557937982 and 6557938000.

It is not an unprimeable number, because it can be changed into a prime (6557938843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953378 + ... + 960231.

It is an arithmetic number, because the mean of its divisors is an integer number (861124500).

Almost surely, 2^6557938043 is an apocalyptic number.

6557938043 is a deficient number, since it is larger than the sum of its proper divisors (331057957).

6557938043 is a wasteful number, since it uses less digits than its factorization.

6557938043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913781.

The product of its (nonzero) digits is 2721600, while the sum is 50.

The square root of 6557938043 is about 80981.0968251233. The cubic root of 6557938043 is about 1871.7841687630.

The spelling of 6557938043 in words is "six billion, five hundred fifty-seven million, nine hundred thirty-eight thousand, forty-three".