7663042669 has 2 divisors, whose sum is σ = 7663042670. Its totient is φ = 7663042668.

The previous prime is 7663042643. The next prime is 7663042729. The reversal of 7663042669 is 9662403667.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3870084100 + 3792958569 = 62210^2 + 61587^2 .

It is a cyclic number.

It is not a de Polignac number, because 7663042669 - 2⁵ = 7663042637 is a prime.

It is a super-2 number, since 2×7663042669² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7663042769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3831521334 + 3831521335.

It is an arithmetic number, because the mean of its divisors is an integer number (3831521335).

Almost surely, 2^7663042669 is an apocalyptic number.

It is an amenable number.

7663042669 is a deficient number, since it is larger than the sum of its proper divisors (1).

7663042669 is an equidigital number, since it uses as much as digits as its factorization.

7663042669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1959552, while the sum is 49.

The square root of 7663042669 is about 87538.8066459670. The cubic root of 7663042669 is about 1971.5164930800.

The spelling of 7663042669 in words is "seven billion, six hundred sixty-three million, forty-two thousand, six hundred sixty-nine".