3668551889 has 2 divisors, whose sum is σ = 3668551890. Its totient is φ = 3668551888.

The previous prime is 3668551879. The next prime is 3668551891. The reversal of 3668551889 is 9881558663.

3668551889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3053115025 + 615436864 = 55255^2 + 24808^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3668551889 is a prime.

Together with 3668551891, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3668551829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1834275944 + 1834275945.

It is an arithmetic number, because the mean of its divisors is an integer number (1834275945).

Almost surely, 2^3668551889 is an apocalyptic number.

It is an amenable number.

3668551889 is a deficient number, since it is larger than the sum of its proper divisors (1).

3668551889 is an equidigital number, since it uses as much as digits as its factorization.

3668551889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12441600, while the sum is 59.

The square root of 3668551889 is about 60568.5717926385. The cubic root of 3668551889 is about 1542.2859020558.

The spelling of 3668551889 in words is "three billion, six hundred sixty-eight million, five hundred fifty-one thousand, eight hundred eighty-nine".