384011869249 has 4 divisors (see below), whose sum is σ = 384057231664. Its totient is φ = 383966506836.

The previous prime is 384011869237. The next prime is 384011869289. The reversal of 384011869249 is 942968110483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 942968110483 = 7 ⋅134709730069.

It is a cyclic number.

It is not a de Polignac number, because 384011869249 - 2⁵ = 384011869217 is a prime.

It is a super-2 number, since 2×384011869249² (a number of 24 digits) contains 22 as substring.

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 384011869249.

It is not an unprimeable number, because it can be changed into a prime (384011869229) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22668507 + ... + 22685440.

It is an arithmetic number, because the mean of its divisors is an integer number (96014307916).

Almost surely, 2^384011869249 is an apocalyptic number.

It is an amenable number.

384011869249 is a deficient number, since it is larger than the sum of its proper divisors (45362415).

384011869249 is an equidigital number, since it uses as much as digits as its factorization.

384011869249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45362414.

The product of its (nonzero) digits is 2985984, while the sum is 55.

The spelling of 384011869249 in words is "three hundred eighty-four billion, eleven million, eight hundred sixty-nine thousand, two hundred forty-nine".