6781048943 has 2 divisors, whose sum is σ = 6781048944. Its totient is φ = 6781048942.

The previous prime is 6781048933. The next prime is 6781048987. The reversal of 6781048943 is 3498401876.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6781048943 - 2³⁰ = 5707307119 is a prime.

It is a super-2 number, since 2×6781048943² = 91965249534722834498, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6781048891 and 6781048900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6781048933) 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 as a sum of consecutive naturals, namely, 3390524471 + 3390524472.

It is an arithmetic number, because the mean of its divisors is an integer number (3390524472).

Almost surely, 2^6781048943 is an apocalyptic number.

6781048943 is a deficient number, since it is larger than the sum of its proper divisors (1).

6781048943 is an equidigital number, since it uses as much as digits as its factorization.

6781048943 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 50.

The square root of 6781048943 is about 82347.1246796146. The cubic root of 6781048943 is about 1892.7748629102.

The spelling of 6781048943 in words is "six billion, seven hundred eighty-one million, forty-eight thousand, nine hundred forty-three".