381328183478 has 8 divisors (see below), whose sum is σ = 623991573000. Its totient is φ = 173330992480.

The previous prime is 381328183471. The next prime is 381328183487. The reversal of 381328183478 is 874381823183.

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

It is a super-2 number, since 2×381328183478² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381328183471) 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 3 ways as a sum of consecutive naturals, for example, 8666549603 + ... + 8666549646.

It is an arithmetic number, because the mean of its divisors is an integer number (77998946625).

Almost surely, 2^381328183478 is an apocalyptic number.

381328183478 is a deficient number, since it is larger than the sum of its proper divisors (242663389522).

381328183478 is a wasteful number, since it uses less digits than its factorization.

381328183478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17333099262.

The product of its digits is 6193152, while the sum is 56.

The spelling of 381328183478 in words is "three hundred eighty-one billion, three hundred twenty-eight million, one hundred eighty-three thousand, four hundred seventy-eight".