384361984135 has 4 divisors (see below), whose sum is σ = 461234380968. Its totient is φ = 307489587304.

The previous prime is 384361984091. The next prime is 384361984141. The reversal of 384361984135 is 531489163483.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 384361984135 - 2²⁵ = 384328429703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38436198409 + ... + 38436198418.

It is an arithmetic number, because the mean of its divisors is an integer number (115308595242).

Almost surely, 2^384361984135 is an apocalyptic number.

384361984135 is a deficient number, since it is larger than the sum of its proper divisors (76872396833).

384361984135 is an equidigital number, since it uses as much as digits as its factorization.

384361984135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76872396832.

The product of its digits is 7464960, while the sum is 55.

The spelling of 384361984135 in words is "three hundred eighty-four billion, three hundred sixty-one million, nine hundred eighty-four thousand, one hundred thirty-five".