384109161505 has 8 divisors (see below), whose sum is σ = 465494667624. Its totient is φ = 304244880000.

The previous prime is 384109161479. The next prime is 384109161517. The reversal of 384109161505 is 505161901483.

It can be written as a sum of positive squares in 4 ways, for example, as 154546479376 + 229562682129 = 393124^2 + 479127^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 384109161505 - 2⁵ = 384109161473 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380305596 + ... + 380306605.

It is an arithmetic number, because the mean of its divisors is an integer number (58186833453).

Almost surely, 2^384109161505 is an apocalyptic number.

It is an amenable number.

384109161505 is a deficient number, since it is larger than the sum of its proper divisors (81385506119).

384109161505 is a wasteful number, since it uses less digits than its factorization.

384109161505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760612307.

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 384109161505 in words is "three hundred eighty-four billion, one hundred nine million, one hundred sixty-one thousand, five hundred five".