381209888201 has 8 divisors (see below), whose sum is σ = 384658928640. Its totient is φ = 377767838448.

The previous prime is 381209888197. The next prime is 381209888209. The reversal of 381209888201 is 102888902183.

It is a happy number.

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 381209888201 - 2² = 381209888197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 381209888201.

It is not an unprimeable number, because it can be changed into a prime (381209888209) 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, 1638086 + ... + 1856271.

It is an arithmetic number, because the mean of its divisors is an integer number (48082366080).

Almost surely, 2^381209888201 is an apocalyptic number.

It is an amenable number.

381209888201 is a deficient number, since it is larger than the sum of its proper divisors (3449040439).

381209888201 is a wasteful number, since it uses less digits than its factorization.

381209888201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3495343.

The product of its (nonzero) digits is 442368, while the sum is 50.

The spelling of 381209888201 in words is "three hundred eighty-one billion, two hundred nine million, eight hundred eighty-eight thousand, two hundred one".