650383385 has 16 divisors (see below), whose sum is σ = 802099584. Its totient is φ = 505986432.

The previous prime is 650383381. The next prime is 650383387. The reversal of 650383385 is 583383056.

It is a cyclic number.

It is not a de Polignac number, because 650383385 - 2² = 650383381 is a prime.

It is a super-4 number, since 4×650383385⁴ (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650383381) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43604 + ... + 56586.

It is an arithmetic number, because the mean of its divisors is an integer number (50131224).

Almost surely, 2^650383385 is an apocalyptic number.

It is an amenable number.

650383385 is a deficient number, since it is larger than the sum of its proper divisors (151716199).

650383385 is a wasteful number, since it uses less digits than its factorization.

650383385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13264.

The product of its (nonzero) digits is 259200, while the sum is 41.

The square root of 650383385 is about 25502.6152580476. The cubic root of 650383385 is about 866.4093811392.

The spelling of 650383385 in words is "six hundred fifty million, three hundred eighty-three thousand, three hundred eighty-five".