381330650 has 12 divisors (see below), whose sum is σ = 709275102. Its totient is φ = 152532240.

The previous prime is 381330641. The next prime is 381330667. The reversal of 381330650 is 56033183.

It can be written as a sum of positive squares in 3 ways, for example, as 304048969 + 77281681 = 17437^2 + 8791^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3813257 + ... + 3813356.

Almost surely, 2^381330650 is an apocalyptic number.

381330650 is a deficient number, since it is larger than the sum of its proper divisors (327944452).

381330650 is a wasteful number, since it uses less digits than its factorization.

381330650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7626625 (or 7626620 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 381330650 is about 19527.6893154311. The cubic root of 381330650 is about 725.1601073269.

The spelling of 381330650 in words is "three hundred eighty-one million, three hundred thirty thousand, six hundred fifty".