381275002001 has 8 divisors (see below), whose sum is σ = 381718457064. Its totient is φ = 380831630080.

The previous prime is 381275001997. The next prime is 381275002007. The reversal of 381275002001 is 100200572183.

It can be written as a sum of positive squares in 4 ways, for example, as 212337561601 + 168937440400 = 460801^2 + 411020^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 381275002001 - 2² = 381275001997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (381275002007) 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, 16524665 + ... + 16547721.

It is an arithmetic number, because the mean of its divisors is an integer number (47714807133).

Almost surely, 2^381275002001 is an apocalyptic number.

It is an amenable number.

381275002001 is a deficient number, since it is larger than the sum of its proper divisors (443455063).

381275002001 is a wasteful number, since it uses less digits than its factorization.

381275002001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41571.

The product of its (nonzero) digits is 3360, while the sum is 29.

Adding to 381275002001 its reverse (100200572183), we get a palindrome (481475574184).

The spelling of 381275002001 in words is "three hundred eighty-one billion, two hundred seventy-five million, two thousand, one".