381464663603 has 4 divisors (see below), whose sum is σ = 403903761480. Its totient is φ = 359025565728.

The previous prime is 381464663561. The next prime is 381464663609. The reversal of 381464663603 is 306366464183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 306366464183 = 13 ⋅23566651091.

It is a cyclic number.

It is not a de Polignac number, because 381464663603 - 2²⁴ = 381447886387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381464663609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11219548913 + ... + 11219548946.

It is an arithmetic number, because the mean of its divisors is an integer number (100975940370).

Almost surely, 2^381464663603 is an apocalyptic number.

381464663603 is a deficient number, since it is larger than the sum of its proper divisors (22439097877).

381464663603 is a wasteful number, since it uses less digits than its factorization.

381464663603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22439097876.

The product of its (nonzero) digits is 4478976, while the sum is 50.

The spelling of 381464663603 in words is "three hundred eighty-one billion, four hundred sixty-four million, six hundred sixty-three thousand, six hundred three".