381733563 has 8 divisors (see below), whose sum is σ = 509627968. Its totient is φ = 254164104.

The previous prime is 381733537. The next prime is 381733621. The reversal of 381733563 is 365337183.

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

It is not a de Polignac number, because 381733563 - 2²² = 377539259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381733523) 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, 78481 + ... + 83202.

It is an arithmetic number, because the mean of its divisors is an integer number (63703496).

Almost surely, 2^381733563 is an apocalyptic number.

381733563 is a deficient number, since it is larger than the sum of its proper divisors (127894405).

381733563 is a wasteful number, since it uses less digits than its factorization.

381733563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162473.

The product of its digits is 136080, while the sum is 39.

The square root of 381733563 is about 19538.0030453473. The cubic root of 381733563 is about 725.4154182060.

The spelling of 381733563 in words is "three hundred eighty-one million, seven hundred thirty-three thousand, five hundred sixty-three".