7697026849 has 2 divisors, whose sum is σ = 7697026850. Its totient is φ = 7697026848.

The previous prime is 7697026847. The next prime is 7697026867. The reversal of 7697026849 is 9486207967.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5999586849 + 1697440000 = 77457^2 + 41200^2 .

It is an emirp because it is prime and its reverse (9486207967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7697026849 - 2¹ = 7697026847 is a prime.

Together with 7697026847, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 7697026793 and 7697026802.

It is not a weakly prime, because it can be changed into another prime (7697026847) 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, 3848513424 + 3848513425.

It is an arithmetic number, because the mean of its divisors is an integer number (3848513425).

Almost surely, 2^7697026849 is an apocalyptic number.

It is an amenable number.

7697026849 is a deficient number, since it is larger than the sum of its proper divisors (1).

7697026849 is an equidigital number, since it uses as much as digits as its factorization.

7697026849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9144576, while the sum is 58.

The square root of 7697026849 is about 87732.7011381731. The cubic root of 7697026849 is about 1974.4266325989.

The spelling of 7697026849 in words is "seven billion, six hundred ninety-seven million, twenty-six thousand, eight hundred forty-nine".