4650789681 has 24 divisors (see below), whose sum is σ = 7014374016. Its totient is φ = 2963822400.

The previous prime is 4650789673. The next prime is 4650789683. The reversal of 4650789681 is 1869870564.

4650789681 is a `hidden beast` number, since 46 + 507 + 8 + 96 + 8 + 1 = 666.

It is not a de Polignac number, because 4650789681 - 2³ = 4650789673 is a prime.

It is a super-4 number, since 4×4650789681⁴ (a number of 40 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4650789683) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 362781 + ... + 375381.

It is an arithmetic number, because the mean of its divisors is an integer number (292265584).

Almost surely, 2^4650789681 is an apocalyptic number.

It is an amenable number.

4650789681 is a deficient number, since it is larger than the sum of its proper divisors (2363584335).

4650789681 is a wasteful number, since it uses less digits than its factorization.

4650789681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14413 (or 14410 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 4650789681 is about 68196.6984611425. The cubic root of 4650789681 is about 1669.2020140835.

The spelling of 4650789681 in words is "four billion, six hundred fifty million, seven hundred eighty-nine thousand, six hundred eighty-one".