381650408086 has 16 divisors (see below), whose sum is σ = 580472146800. Its totient is φ = 188161083648.

The previous prime is 381650408063. The next prime is 381650408089. The reversal of 381650408086 is 680804056183.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381650408089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205870 + ... + 897598.

It is an arithmetic number, because the mean of its divisors is an integer number (36279509175).

Almost surely, 2^381650408086 is an apocalyptic number.

381650408086 is a deficient number, since it is larger than the sum of its proper divisors (198821738714).

381650408086 is a wasteful number, since it uses less digits than its factorization.

381650408086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695583.

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 381650408086 in words is "three hundred eighty-one billion, six hundred fifty million, four hundred eight thousand, eighty-six".