6738306769 has 2 divisors, whose sum is σ = 6738306770. Its totient is φ = 6738306768.

The previous prime is 6738306761. The next prime is 6738306821. The reversal of 6738306769 is 9676038376.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6675707025 + 62599744 = 81705^2 + 7912^2 .

It is a cyclic number.

It is not a de Polignac number, because 6738306769 - 2³ = 6738306761 is a prime.

It is a super-2 number, since 2×6738306769² = 90809556226302438722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6738306761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3369153384 + 3369153385.

It is an arithmetic number, because the mean of its divisors is an integer number (3369153385).

Almost surely, 2^6738306769 is an apocalyptic number.

It is an amenable number.

6738306769 is a deficient number, since it is larger than the sum of its proper divisors (1).

6738306769 is an equidigital number, since it uses as much as digits as its factorization.

6738306769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6858432, while the sum is 55.

The square root of 6738306769 is about 82087.1900420522. The cubic root of 6738306769 is about 1888.7896442283.

The spelling of 6738306769 in words is "six billion, seven hundred thirty-eight million, three hundred six thousand, seven hundred sixty-nine".