6781741073 has 2 divisors, whose sum is σ = 6781741074. Its totient is φ = 6781741072.

The previous prime is 6781741049. The next prime is 6781741111. The reversal of 6781741073 is 3701471876.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3507955984 + 3273785089 = 59228^2 + 57217^2 .

It is a cyclic number.

It is not a de Polignac number, because 6781741073 - 2¹² = 6781736977 is a prime.

It is not a weakly prime, because it can be changed into another prime (6781741873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3390870536 + 3390870537.

It is an arithmetic number, because the mean of its divisors is an integer number (3390870537).

Almost surely, 2^6781741073 is an apocalyptic number.

It is an amenable number.

6781741073 is a deficient number, since it is larger than the sum of its proper divisors (1).

6781741073 is an equidigital number, since it uses as much as digits as its factorization.

6781741073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 197568, while the sum is 44.

The square root of 6781741073 is about 82351.3270870604. The cubic root of 6781741073 is about 1892.8392581440.

The spelling of 6781741073 in words is "six billion, seven hundred eighty-one million, seven hundred forty-one thousand, seventy-three".