381989183171 has 8 divisors (see below), whose sum is σ = 398786559600. Its totient is φ = 365433495840.

The previous prime is 381989183141. The next prime is 381989183209. The reversal of 381989183171 is 171381989183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 381989183171 - 2²² = 381984988867 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 381989183171.

It is not an unprimeable number, because it can be changed into a prime (381989183141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60419045 + ... + 60425366.

It is an arithmetic number, because the mean of its divisors is an integer number (49848319950).

Almost surely, 2^381989183171 is an apocalyptic number.

381989183171 is a deficient number, since it is larger than the sum of its proper divisors (16797376429).

381989183171 is a wasteful number, since it uses less digits than its factorization.

381989183171 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120844549.

The product of its digits is 2612736, while the sum is 59.

The spelling of 381989183171 in words is "three hundred eighty-one billion, nine hundred eighty-nine million, one hundred eighty-three thousand, one hundred seventy-one".