384965565657 has 8 divisors (see below), whose sum is σ = 513294509280. Its totient is φ = 256640166240.

The previous prime is 384965565653. The next prime is 384965565661. The reversal of 384965565657 is 756565569483.

It is an interprime number because it is at equal distance from previous prime (384965565653) and next prime (384965565661).

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

It is not a de Polignac number, because 384965565657 - 2² = 384965565653 is a prime.

It is a super-2 number, since 2×384965565657² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 384965565591 and 384965565600.

It is not an unprimeable number, because it can be changed into a prime (384965565653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621307 + ... + 1075152.

It is an arithmetic number, because the mean of its divisors is an integer number (64161813660).

Almost surely, 2^384965565657 is an apocalyptic number.

It is an amenable number.

384965565657 is a deficient number, since it is larger than the sum of its proper divisors (128328943623).

384965565657 is a wasteful number, since it uses less digits than its factorization.

384965565657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772103.

The product of its digits is 816480000, while the sum is 69.

The spelling of 384965565657 in words is "three hundred eighty-four billion, nine hundred sixty-five million, five hundred sixty-five thousand, six hundred fifty-seven".