380129383 has 4 divisors (see below), whose sum is σ = 380721208. Its totient is φ = 379537560.

The previous prime is 380129353. The next prime is 380129429. The reversal of 380129383 is 383921083.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 380129383 - 2²¹ = 378032231 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (380129353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 294948 + ... + 296233.

It is an arithmetic number, because the mean of its divisors is an integer number (95180302).

Almost surely, 2^380129383 is an apocalyptic number.

380129383 is a deficient number, since it is larger than the sum of its proper divisors (591825).

380129383 is an equidigital number, since it uses as much as digits as its factorization.

380129383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591824.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 380129383 is about 19496.9070111133. The cubic root of 380129383 is about 724.3978403942.

The spelling of 380129383 in words is "three hundred eighty million, one hundred twenty-nine thousand, three hundred eighty-three".