6867626749 has 2 divisors, whose sum is σ = 6867626750. Its totient is φ = 6867626748.

The previous prime is 6867626743. The next prime is 6867626783. The reversal of 6867626749 is 9476267686.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4649876100 + 2217750649 = 68190^2 + 47093^2 .

It is a cyclic number.

It is not a de Polignac number, because 6867626749 - 2¹⁵ = 6867593981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6867626743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3433813374 + 3433813375.

It is an arithmetic number, because the mean of its divisors is an integer number (3433813375).

Almost surely, 2^6867626749 is an apocalyptic number.

It is an amenable number.

6867626749 is a deficient number, since it is larger than the sum of its proper divisors (1).

6867626749 is an equidigital number, since it uses as much as digits as its factorization.

6867626749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36578304, while the sum is 61.

The square root of 6867626749 is about 82871.1454548566. The cubic root of 6867626749 is about 1900.7962266691.

It can be divided in two parts, 6867 and 626749, that added together give a square (633616 = 796²).

The spelling of 6867626749 in words is "six billion, eight hundred sixty-seven million, six hundred twenty-six thousand, seven hundred forty-nine".