380419789 has 2 divisors, whose sum is σ = 380419790. Its totient is φ = 380419788.

The previous prime is 380419763. The next prime is 380419807. The reversal of 380419789 is 987914083.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192044164 + 188375625 = 13858^2 + 13725^2 .

It is a cyclic number.

It is not a de Polignac number, because 380419789 - 2⁵ = 380419757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380419759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190209894 + 190209895.

It is an arithmetic number, because the mean of its divisors is an integer number (190209895).

Almost surely, 2^380419789 is an apocalyptic number.

It is an amenable number.

380419789 is a deficient number, since it is larger than the sum of its proper divisors (1).

380419789 is an equidigital number, since it uses as much as digits as its factorization.

380419789 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 49.

The square root of 380419789 is about 19504.3530782233. The cubic root of 380419789 is about 724.5822652590.

The spelling of 380419789 in words is "three hundred eighty million, four hundred nineteen thousand, seven hundred eighty-nine".