6757220243 has 4 divisors (see below), whose sum is σ = 6765699360. Its totient is φ = 6748741128.

The previous prime is 6757220233. The next prime is 6757220273. The reversal of 6757220243 is 3420227576.

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 6757220243 - 2¹⁸ = 6756958099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6757220197 and 6757220206.

It is not an unprimeable number, because it can be changed into a prime (6757220233) 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, 4238363 + ... + 4239956.

It is an arithmetic number, because the mean of its divisors is an integer number (1691424840).

Almost surely, 2^6757220243 is an apocalyptic number.

6757220243 is a deficient number, since it is larger than the sum of its proper divisors (8479117).

6757220243 is an equidigital number, since it uses as much as digits as its factorization.

6757220243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8479116.

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 6757220243 is about 82202.3128810863. The cubic root of 6757220243 is about 1890.5551818428. Note that the first 3 decimals are identical.

The spelling of 6757220243 in words is "six billion, seven hundred fifty-seven million, two hundred twenty thousand, two hundred forty-three".