3668607869 has 2 divisors, whose sum is σ = 3668607870. Its totient is φ = 3668607868.

The previous prime is 3668607827. The next prime is 3668607947. The reversal of 3668607869 is 9687068663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2473868644 + 1194739225 = 49738^2 + 34565^2 .

It is a cyclic number.

It is not a de Polignac number, because 3668607869 - 2¹⁶ = 3668542333 is a prime.

It is a super-2 number, since 2×3668607869² = 26917367392977442322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3668607809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1834303934 + 1834303935.

It is an arithmetic number, because the mean of its divisors is an integer number (1834303935).

Almost surely, 2^3668607869 is an apocalyptic number.

It is an amenable number.

3668607869 is a deficient number, since it is larger than the sum of its proper divisors (1).

3668607869 is an equidigital number, since it uses as much as digits as its factorization.

3668607869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The square root of 3668607869 is about 60569.0339117275. The cubic root of 3668607869 is about 1542.2937468157.

The spelling of 3668607869 in words is "three billion, six hundred sixty-eight million, six hundred seven thousand, eight hundred sixty-nine".