384906251085 has 32 divisors (see below), whose sum is σ = 642668145408. Its totient is φ = 196345121280.

The previous prime is 384906251071. The next prime is 384906251129. The reversal of 384906251085 is 580152609483.

It is not a de Polignac number, because 384906251085 - 2⁵ = 384906251053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7486065 + ... + 7537305.

It is an arithmetic number, because the mean of its divisors is an integer number (20083379544).

Almost surely, 2^384906251085 is an apocalyptic number.

It is an amenable number.

384906251085 is a deficient number, since it is larger than the sum of its proper divisors (257761894323).

384906251085 is a wasteful number, since it uses less digits than its factorization.

384906251085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73045.

The product of its (nonzero) digits is 2073600, while the sum is 51.

The spelling of 384906251085 in words is "three hundred eighty-four billion, nine hundred six million, two hundred fifty-one thousand, eighty-five".