381336539106 has 8 divisors (see below), whose sum is σ = 762673078224. Its totient is φ = 127112179700.

The previous prime is 381336539093. The next prime is 381336539117. The reversal of 381336539106 is 601935633183.

It is a happy number.

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

381336539106 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31778044920 + ... + 31778044931.

It is an arithmetic number, because the mean of its divisors is an integer number (95334134778).

Almost surely, 2^381336539106 is an apocalyptic number.

381336539106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

381336539106 is a wasteful number, since it uses less digits than its factorization.

381336539106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63556089856.

The product of its (nonzero) digits is 1049760, while the sum is 48.

The spelling of 381336539106 in words is "three hundred eighty-one billion, three hundred thirty-six million, five hundred thirty-nine thousand, one hundred six".