381341663 has 8 divisors (see below), whose sum is σ = 383415120. Its totient is φ = 379273600.

The previous prime is 381341659. The next prime is 381341699. The reversal of 381341663 is 366143183.

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 381341663 - 2² = 381341659 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381347663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 262088 + ... + 263538.

It is an arithmetic number, because the mean of its divisors is an integer number (47926890).

Almost surely, 2^381341663 is an apocalyptic number.

381341663 is a deficient number, since it is larger than the sum of its proper divisors (2073457).

381341663 is a wasteful number, since it uses less digits than its factorization.

381341663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697.

The product of its digits is 31104, while the sum is 35.

The square root of 381341663 is about 19527.9712976028. The cubic root of 381341663 is about 725.1670882427.

The spelling of 381341663 in words is "three hundred eighty-one million, three hundred forty-one thousand, six hundred sixty-three".