6756726121 has 2 divisors, whose sum is σ = 6756726122. Its totient is φ = 6756726120.

The previous prime is 6756726083. The next prime is 6756726133. The reversal of 6756726121 is 1216276576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6701059600 + 55666521 = 81860^2 + 7461^2 .

It is a cyclic number.

It is not a de Polignac number, because 6756726121 - 2⁹ = 6756725609 is a prime.

It is not a weakly prime, because it can be changed into another prime (6756726161) 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 as a sum of consecutive naturals, namely, 3378363060 + 3378363061.

It is an arithmetic number, because the mean of its divisors is an integer number (3378363061).

Almost surely, 2^6756726121 is an apocalyptic number.

It is an amenable number.

6756726121 is a deficient number, since it is larger than the sum of its proper divisors (1).

6756726121 is an equidigital number, since it uses as much as digits as its factorization.

6756726121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 43.

The square root of 6756726121 is about 82199.3073024341. The cubic root of 6756726121 is about 1890.5090984118.

The spelling of 6756726121 in words is "six billion, seven hundred fifty-six million, seven hundred twenty-six thousand, one hundred twenty-one".