384487412399 has 4 divisors (see below), whose sum is σ = 384488665080. Its totient is φ = 384486159720.

The previous prime is 384487412371. The next prime is 384487412423. The reversal of 384487412399 is 993214784483.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 384487412399 - 2¹⁶ = 384487346863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (384487492399) 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, 180572 + ... + 895310.

It is an arithmetic number, because the mean of its divisors is an integer number (96122166270).

Almost surely, 2^384487412399 is an apocalyptic number.

384487412399 is a deficient number, since it is larger than the sum of its proper divisors (1252681).

384487412399 is an equidigital number, since it uses as much as digits as its factorization.

384487412399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252680.

The product of its digits is 41803776, while the sum is 62.

The spelling of 384487412399 in words is "three hundred eighty-four billion, four hundred eighty-seven million, four hundred twelve thousand, three hundred ninety-nine".