381588900447 has 8 divisors (see below), whose sum is σ = 508798331056. Its totient is φ = 254386035072.

The previous prime is 381588900409. The next prime is 381588900481. The reversal of 381588900447 is 744009885183.

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

It is not a de Polignac number, because 381588900447 - 2¹⁰ = 381588899423 is a prime.

It is a super-2 number, since 2×381588900447² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381588900047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1504048 + ... + 1739349.

It is an arithmetic number, because the mean of its divisors is an integer number (63599791382).

Almost surely, 2^381588900447 is an apocalyptic number.

381588900447 is a deficient number, since it is larger than the sum of its proper divisors (127209430609).

381588900447 is a wasteful number, since it uses less digits than its factorization.

381588900447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282617.

The product of its (nonzero) digits is 7741440, while the sum is 57.

The spelling of 381588900447 in words is "three hundred eighty-one billion, five hundred eighty-eight million, nine hundred thousand, four hundred forty-seven".