384862484917 has 4 divisors (see below), whose sum is σ = 407501454636. Its totient is φ = 362223515200.

The previous prime is 384862484911. The next prime is 384862484927. The reversal of 384862484917 is 719484268483.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 719484268483 = 22511 ⋅31961453.

It can be written as a sum of positive squares in 2 ways, for example, as 225125576676 + 159736908241 = 474474^2 + 399671^2 .

It is not a de Polignac number, because 384862484917 - 2³⁵ = 350502746549 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 (384862484911) 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, 11319484834 + ... + 11319484867.

It is an arithmetic number, because the mean of its divisors is an integer number (101875363659).

Almost surely, 2^384862484917 is an apocalyptic number.

It is an amenable number.

384862484917 is a deficient number, since it is larger than the sum of its proper divisors (22638969719).

384862484917 is a wasteful number, since it uses less digits than its factorization.

384862484917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22638969718.

The product of its digits is 74317824, while the sum is 64.

The spelling of 384862484917 in words is "three hundred eighty-four billion, eight hundred sixty-two million, four hundred eighty-four thousand, nine hundred seventeen".