381836687395 has 8 divisors (see below), whose sum is σ = 460105287840. Its totient is φ = 304201841280.

The previous prime is 381836687381. The next prime is 381836687413. The reversal of 381836687395 is 593786638183.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 381836687395 - 2¹⁷ = 381836556323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 381836687395.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158437255 + ... + 158439664.

It is an arithmetic number, because the mean of its divisors is an integer number (57513160980).

Almost surely, 2^381836687395 is an apocalyptic number.

381836687395 is a deficient number, since it is larger than the sum of its proper divisors (78268600445).

381836687395 is a wasteful number, since it uses less digits than its factorization.

381836687395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316877165.

The product of its digits is 156764160, while the sum is 67.

The spelling of 381836687395 in words is "three hundred eighty-one billion, eight hundred thirty-six million, six hundred eighty-seven thousand, three hundred ninety-five".