381609363850 has 48 divisors (see below), whose sum is σ = 833883190560. Its totient is φ = 128092651200.

The previous prime is 381609363847. The next prime is 381609363929. The reversal of 381609363850 is 58363906183.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26678820 + ... + 26693119.

It is an arithmetic number, because the mean of its divisors is an integer number (17372566470).

Almost surely, 2^381609363850 is an apocalyptic number.

381609363850 is an abundant number, since it is smaller than the sum of its proper divisors (452273826710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381609363850 is a wasteful number, since it uses less digits than its factorization.

381609363850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53371975 (or 53371970 counting only the distinct ones).

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 381609363850 in words is "three hundred eighty-one billion, six hundred nine million, three hundred sixty-three thousand, eight hundred fifty".