381838403822 has 4 divisors (see below), whose sum is σ = 572757605736. Its totient is φ = 190919201910.

The previous prime is 381838403789. The next prime is 381838403833. The reversal of 381838403822 is 228304838183.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95459600954 + ... + 95459600957.

It is an arithmetic number, because the mean of its divisors is an integer number (143189401434).

Almost surely, 2^381838403822 is an apocalyptic number.

381838403822 is a deficient number, since it is larger than the sum of its proper divisors (190919201914).

381838403822 is a wasteful number, since it uses less digits than its factorization.

381838403822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190919201913.

The product of its (nonzero) digits is 1769472, while the sum is 50.

The spelling of 381838403822 in words is "three hundred eighty-one billion, eight hundred thirty-eight million, four hundred three thousand, eight hundred twenty-two".