381886603389 has 12 divisors (see below), whose sum is σ = 551639524800. Its totient is φ = 254579280264.

The previous prime is 381886603367. The next prime is 381886603391. The reversal of 381886603389 is 983306688183.

381886603389 is a `hidden beast` number, since 3 + 8 + 18 + 8 + 6 + 603 + 3 + 8 + 9 = 666.

381886603389 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 381886603389 - 2¹³ = 381886595197 is a prime.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381886603339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 774919 + ... + 1168020.

It is an arithmetic number, because the mean of its divisors is an integer number (45969960400).

Almost surely, 2^381886603389 is an apocalyptic number.

It is an amenable number.

381886603389 is a deficient number, since it is larger than the sum of its proper divisors (169752921411).

381886603389 is a wasteful number, since it uses less digits than its factorization.

381886603389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1964784 (or 1964781 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 63.

The spelling of 381886603389 in words is "three hundred eighty-one billion, eight hundred eighty-six million, six hundred three thousand, three hundred eighty-nine".