381542727245183 has 4 divisors (see below), whose sum is σ = 436048831137360. Its totient is φ = 327036623353008.

The previous prime is 381542727245101. The next prime is 381542727245189.

381542727245183 is nontrivially palindromic in base 10.

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 381542727245183 - 2¹⁴ = 381542727228799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381542727245189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27253051946078 + ... + 27253051946091.

It is an arithmetic number, because the mean of its divisors is an integer number (109012207784340).

Almost surely, 2^{381542727245183} is an apocalyptic number.

381542727245183 is a deficient number, since it is larger than the sum of its proper divisors (54506103892177).

381542727245183 is an equidigital number, since it uses as much as digits as its factorization.

381542727245183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54506103892176.

The product of its digits is 90316800, while the sum is 62.

The spelling of 381542727245183 in words is "three hundred eighty-one trillion, five hundred forty-two billion, seven hundred twenty-seven million, two hundred forty-five thousand, one hundred eighty-three".