7667696969 has 2 divisors, whose sum is σ = 7667696970. Its totient is φ = 7667696968.

The previous prime is 7667696929. The next prime is 7667696999. The reversal of 7667696969 is 9696967667.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5628000400 + 2039696569 = 75020^2 + 45163^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7667696969 is a prime.

It is a super-2 number, since 2×7667696969² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7667696909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3833848484 + 3833848485.

It is an arithmetic number, because the mean of its divisors is an integer number (3833848485).

Almost surely, 2^7667696969 is an apocalyptic number.

It is an amenable number.

7667696969 is a deficient number, since it is larger than the sum of its proper divisors (1).

7667696969 is an equidigital number, since it uses as much as digits as its factorization.

7667696969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 277766496, while the sum is 71.

The square root of 7667696969 is about 87565.3868203641. The cubic root of 7667696969 is about 1971.9155587640.

The spelling of 7667696969 in words is "seven billion, six hundred sixty-seven million, six hundred ninety-six thousand, nine hundred sixty-nine".