384238591869 has 32 divisors (see below), whose sum is σ = 562624447104. Its totient is φ = 231320494080.

The previous prime is 384238591823. The next prime is 384238591903. The reversal of 384238591869 is 968195832483.

It is not a de Polignac number, because 384238591869 - 2¹⁹ = 384238067581 is a prime.

It is a super-2 number, since 2×384238591869² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384238595869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4267257 + ... + 4356369.

It is an arithmetic number, because the mean of its divisors is an integer number (17582013972).

Almost surely, 2^384238591869 is an apocalyptic number.

It is an amenable number.

384238591869 is a deficient number, since it is larger than the sum of its proper divisors (178385855235).

384238591869 is a wasteful number, since it uses less digits than its factorization.

384238591869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89997.

The product of its digits is 89579520, while the sum is 66.

The spelling of 384238591869 in words is "three hundred eighty-four billion, two hundred thirty-eight million, five hundred ninety-one thousand, eight hundred sixty-nine".