381333719 has 4 divisors (see below), whose sum is σ = 410667096. Its totient is φ = 352000344.

The previous prime is 381333713. The next prime is 381333737. The reversal of 381333719 is 917333183.

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 381333719 - 2¹² = 381329623 is a prime.

It is a super-2 number, since 2×381333719² = 290830810492741922, 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 (381333713) 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 in 3 ways as a sum of consecutive naturals, for example, 14666669 + ... + 14666694.

It is an arithmetic number, because the mean of its divisors is an integer number (102666774).

Almost surely, 2^381333719 is an apocalyptic number.

381333719 is a deficient number, since it is larger than the sum of its proper divisors (29333377).

381333719 is a wasteful number, since it uses less digits than its factorization.

381333719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29333376.

The product of its digits is 40824, while the sum is 38.

The square root of 381333719 is about 19527.7678959988. The cubic root of 381333719 is about 725.1620527169.

The spelling of 381333719 in words is "three hundred eighty-one million, three hundred thirty-three thousand, seven hundred nineteen".