3669451789 has 2 divisors, whose sum is σ = 3669451790. Its totient is φ = 3669451788.

The previous prime is 3669451787. The next prime is 3669451813. The reversal of 3669451789 is 9871549663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2938182025 + 731269764 = 54205^2 + 27042^2 .

It is a cyclic number.

It is not a de Polignac number, because 3669451789 - 2¹ = 3669451787 is a prime.

Together with 3669451787, 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 (3669451787) 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, 1834725894 + 1834725895.

It is an arithmetic number, because the mean of its divisors is an integer number (1834725895).

Almost surely, 2^3669451789 is an apocalyptic number.

It is an amenable number.

3669451789 is a deficient number, since it is larger than the sum of its proper divisors (1).

3669451789 is an equidigital number, since it uses as much as digits as its factorization.

3669451789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9797760, while the sum is 58.

The square root of 3669451789 is about 60576.0001073032. Note that the first 3 decimals coincide. The cubic root of 3669451789 is about 1542.4119999146.

The spelling of 3669451789 in words is "three billion, six hundred sixty-nine million, four hundred fifty-one thousand, seven hundred eighty-nine".