380637269 has 2 divisors, whose sum is σ = 380637270. Its totient is φ = 380637268.

The previous prime is 380637263. The next prime is 380637287. The reversal of 380637269 is 962736083.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 230280625 + 150356644 = 15175^2 + 12262^2 .

It is an emirp because it is prime and its reverse (962736083) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 380637269 - 2¹² = 380633173 is a prime.

It is a super-2 number, since 2×380637269² = 289769461103556722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (380637263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190318634 + 190318635.

It is an arithmetic number, because the mean of its divisors is an integer number (190318635).

Almost surely, 2^380637269 is an apocalyptic number.

It is an amenable number.

380637269 is a deficient number, since it is larger than the sum of its proper divisors (1).

380637269 is an equidigital number, since it uses as much as digits as its factorization.

380637269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 380637269 is about 19509.9274473279. The cubic root of 380637269 is about 724.7203163770.

The spelling of 380637269 in words is "three hundred eighty million, six hundred thirty-seven thousand, two hundred sixty-nine".