381086807785683 has 16 divisors (see below), whose sum is σ = 512179511141376. Its totient is φ = 252034035209280.

The previous prime is 381086807785681. The next prime is 381086807785741. The reversal of 381086807785683 is 386587708680183.

It is not a de Polignac number, because 381086807785683 - 2¹ = 381086807785681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 381086807785599 and 381086807785608.

It is not an unprimeable number, because it can be changed into a prime (381086807785681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1005693535 + ... + 1006072392.

It is an arithmetic number, because the mean of its divisors is an integer number (32011219446336).

Almost surely, 2^{381086807785683} is an apocalyptic number.

381086807785683 is a deficient number, since it is larger than the sum of its proper divisors (131092703355693).

381086807785683 is a wasteful number, since it uses less digits than its factorization.

381086807785683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011766434.

The product of its (nonzero) digits is 2601123840, while the sum is 78.

The spelling of 381086807785683 in words is "three hundred eighty-one trillion, eighty-six billion, eight hundred seven million, seven hundred eighty-five thousand, six hundred eighty-three".