384156442369 has 32 divisors (see below), whose sum is σ = 453781785600. Its totient is φ = 318392363520.

The previous prime is 384156442367. The next prime is 384156442421. The reversal of 384156442369 is 963244651483.

It is a happy number.

It is not a de Polignac number, because 384156442369 - 2¹ = 384156442367 is a prime.

It is a super-2 number, since 2×384156442369² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (384156442363) 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, 41837959 + ... + 41847139.

It is an arithmetic number, because the mean of its divisors is an integer number (14180680800).

Almost surely, 2^384156442369 is an apocalyptic number.

It is an amenable number.

384156442369 is a deficient number, since it is larger than the sum of its proper divisors (69625343231).

384156442369 is a wasteful number, since it uses less digits than its factorization.

384156442369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10753.

The product of its digits is 14929920, while the sum is 55.

The spelling of 384156442369 in words is "three hundred eighty-four billion, one hundred fifty-six million, four hundred forty-two thousand, three hundred sixty-nine".