3800066789 has 2 divisors, whose sum is σ = 3800066790. Its totient is φ = 3800066788.

The previous prime is 3800066741. The next prime is 3800066807. The reversal of 3800066789 is 9876600083.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3799736164 + 330625 = 61642^2 + 575^2 .

It is a cyclic number.

It is not a de Polignac number, because 3800066789 - 2¹⁶ = 3800001253 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3800066719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1900033394 + 1900033395.

It is an arithmetic number, because the mean of its divisors is an integer number (1900033395).

Almost surely, 2^3800066789 is an apocalyptic number.

It is an amenable number.

3800066789 is a deficient number, since it is larger than the sum of its proper divisors (1).

3800066789 is an equidigital number, since it uses as much as digits as its factorization.

3800066789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 435456, while the sum is 47.

The square root of 3800066789 is about 61644.6817576342. The cubic root of 3800066789 is about 1560.4998930768.

The spelling of 3800066789 in words is "three billion, eight hundred million, sixty-six thousand, seven hundred eighty-nine".