381482100871 has 4 divisors (see below), whose sum is σ = 401560106200. Its totient is φ = 361404095544.

The previous prime is 381482100869. The next prime is 381482100907. The reversal of 381482100871 is 178001284183.

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

It is a cyclic number.

It is not a de Polignac number, because 381482100871 - 2¹ = 381482100869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381482100271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10039002636 + ... + 10039002673.

It is an arithmetic number, because the mean of its divisors is an integer number (100390026550).

Almost surely, 2^381482100871 is an apocalyptic number.

381482100871 is a deficient number, since it is larger than the sum of its proper divisors (20078005329).

381482100871 is a wasteful number, since it uses less digits than its factorization.

381482100871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20078005328.

The product of its (nonzero) digits is 86016, while the sum is 43.

The spelling of 381482100871 in words is "three hundred eighty-one billion, four hundred eighty-two million, one hundred thousand, eight hundred seventy-one".