6756122449 has 2 divisors, whose sum is σ = 6756122450. Its totient is φ = 6756122448.

The previous prime is 6756122389. The next prime is 6756122539. The reversal of 6756122449 is 9442216576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6051750849 + 704371600 = 77793^2 + 26540^2 .

It is a cyclic number.

It is not a de Polignac number, because 6756122449 - 2²¹ = 6754025297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6756122399 and 6756122408.

It is not a weakly prime, because it can be changed into another prime (6756122749) 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, 3378061224 + 3378061225.

It is an arithmetic number, because the mean of its divisors is an integer number (3378061225).

Almost surely, 2^6756122449 is an apocalyptic number.

It is an amenable number.

6756122449 is a deficient number, since it is larger than the sum of its proper divisors (1).

6756122449 is an equidigital number, since it uses as much as digits as its factorization.

6756122449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 725760, while the sum is 46.

The square root of 6756122449 is about 82195.6352186660. The cubic root of 6756122449 is about 1890.4527949409.

The spelling of 6756122449 in words is "six billion, seven hundred fifty-six million, one hundred twenty-two thousand, four hundred forty-nine".