3663408769 has 2 divisors, whose sum is σ = 3663408770. Its totient is φ = 3663408768.

The previous prime is 3663408767. The next prime is 3663408823. The reversal of 3663408769 is 9678043663.

3663408769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3190781169 + 472627600 = 56487^2 + 21740^2 .

It is a cyclic number.

It is not a de Polignac number, because 3663408769 - 2¹ = 3663408767 is a prime.

It is a super-2 number, since 2×3663408769² = 26841127617572190722, which contains 22 as substring.

Together with 3663408767, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (3663408767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1831704384 + 1831704385.

It is an arithmetic number, because the mean of its divisors is an integer number (1831704385).

Almost surely, 2^3663408769 is an apocalyptic number.

It is an amenable number.

3663408769 is a deficient number, since it is larger than the sum of its proper divisors (1).

3663408769 is an equidigital number, since it uses as much as digits as its factorization.

3663408769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 52.

The square root of 3663408769 is about 60526.0998991344. The cubic root of 3663408769 is about 1541.5648299611.

The spelling of 3663408769 in words is "three billion, six hundred sixty-three million, four hundred eight thousand, seven hundred sixty-nine".