3668551879 has 2 divisors, whose sum is σ = 3668551880. Its totient is φ = 3668551878.

The previous prime is 3668551877. The next prime is 3668551889. The reversal of 3668551879 is 9781558663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3668551879 - 2¹ = 3668551877 is a prime.

Together with 3668551877, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3668551871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1834275939 + 1834275940.

It is an arithmetic number, because the mean of its divisors is an integer number (1834275940).

Almost surely, 2^3668551879 is an apocalyptic number.

3668551879 is a deficient number, since it is larger than the sum of its proper divisors (1).

3668551879 is an equidigital number, since it uses as much as digits as its factorization.

3668551879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10886400, while the sum is 58.

The square root of 3668551879 is about 60568.5717100874. The cubic root of 3668551879 is about 1542.2859006544.

The spelling of 3668551879 in words is "three billion, six hundred sixty-eight million, five hundred fifty-one thousand, eight hundred seventy-nine".