381463366866 has 32 divisors (see below), whose sum is σ = 769074063360. Its totient is φ = 126130265856.

The previous prime is 381463366847. The next prime is 381463366927. The reversal of 381463366866 is 668663364183.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4429530 + ... + 4514826.

It is an arithmetic number, because the mean of its divisors is an integer number (24033564480).

Almost surely, 2^381463366866 is an apocalyptic number.

381463366866 is an abundant number, since it is smaller than the sum of its proper divisors (387610696494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381463366866 is a wasteful number, since it uses less digits than its factorization.

381463366866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91298.

The product of its digits is 53747712, while the sum is 60.

The spelling of 381463366866 in words is "three hundred eighty-one billion, four hundred sixty-three million, three hundred sixty-six thousand, eight hundred sixty-six".