2385933665 has 8 divisors (see below), whose sum is σ = 2870798568. Its totient is φ = 1903628160.

The previous prime is 2385933653. The next prime is 2385933673. The reversal of 2385933665 is 5663395832.

2385933665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 46566976 + 2339366689 = 6824^2 + 48367^2 .

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

It is not a de Polignac number, because 2385933665 - 2⁸ = 2385933409 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, 637796 + ... + 641525.

It is an arithmetic number, because the mean of its divisors is an integer number (358849821).

Almost surely, 2^2385933665 is an apocalyptic number.

It is an amenable number.

2385933665 is a deficient number, since it is larger than the sum of its proper divisors (484864903).

2385933665 is a wasteful number, since it uses less digits than its factorization.

2385933665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279699.

The product of its digits is 3499200, while the sum is 50.

The square root of 2385933665 is about 48846.0199504525. The cubic root of 2385933665 is about 1336.2450877124.

The spelling of 2385933665 in words is "two billion, three hundred eighty-five million, nine hundred thirty-three thousand, six hundred sixty-five".