379133869 has 2 divisors, whose sum is σ = 379133870. Its totient is φ = 379133868.

The previous prime is 379133861. The next prime is 379133917. The reversal of 379133869 is 968331973.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 373958244 + 5175625 = 19338^2 + 2275^2 .

It is a cyclic number.

It is not a de Polignac number, because 379133869 - 2³ = 379133861 is a prime.

It is a super-2 number, since 2×379133869² = 287484981245818322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (379133861) 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, 189566934 + 189566935.

It is an arithmetic number, because the mean of its divisors is an integer number (189566935).

Almost surely, 2^379133869 is an apocalyptic number.

It is an amenable number.

379133869 is a deficient number, since it is larger than the sum of its proper divisors (1).

379133869 is an equidigital number, since it uses as much as digits as its factorization.

379133869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 734832, while the sum is 49.

The square root of 379133869 is about 19471.3602246992. The cubic root of 379133869 is about 723.7649167323.

The spelling of 379133869 in words is "three hundred seventy-nine million, one hundred thirty-three thousand, eight hundred sixty-nine".