384998534249 has 4 divisors (see below), whose sum is σ = 439998324864. Its totient is φ = 329998743636.

The previous prime is 384998534213. The next prime is 384998534311. The reversal of 384998534249 is 942435899483.

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: 942435899483 = 13 ⋅72495069191.

It is a cyclic number.

It is not a de Polignac number, because 384998534249 - 2¹² = 384998530153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (384998534209) 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, 27499895297 + ... + 27499895310.

It is an arithmetic number, because the mean of its divisors is an integer number (109999581216).

Almost surely, 2^384998534249 is an apocalyptic number.

It is an amenable number.

384998534249 is a deficient number, since it is larger than the sum of its proper divisors (54999790615).

384998534249 is an equidigital number, since it uses as much as digits as its factorization.

384998534249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54999790614.

The product of its digits is 268738560, while the sum is 68.

The spelling of 384998534249 in words is "three hundred eighty-four billion, nine hundred ninety-eight million, five hundred thirty-four thousand, two hundred forty-nine".