380669269 has 4 divisors (see below), whose sum is σ = 386030880. Its totient is φ = 375307660.

The previous prime is 380669257. The next prime is 380669279. The reversal of 380669269 is 962966083.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 380669269 - 2¹⁹ = 380144981 is a prime.

It is a super-2 number, since 2×380669269² = 289818184721988722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380669279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2680699 + ... + 2680840.

It is an arithmetic number, because the mean of its divisors is an integer number (96507720).

Almost surely, 2^380669269 is an apocalyptic number.

It is an amenable number.

380669269 is a deficient number, since it is larger than the sum of its proper divisors (5361611).

380669269 is an equidigital number, since it uses as much as digits as its factorization.

380669269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5361610.

The product of its (nonzero) digits is 839808, while the sum is 49.

The square root of 380669269 is about 19510.7475254025. The cubic root of 380669269 is about 724.7406247757.

The spelling of 380669269 in words is "three hundred eighty million, six hundred sixty-nine thousand, two hundred sixty-nine".