4643310681 has 6 divisors (see below), whose sum is σ = 6707004330. Its totient is φ = 3095540448.

The previous prime is 4643310677. The next prime is 4643310697. The reversal of 4643310681 is 1860133464.

It is a happy number.

4643310681 is a `hidden beast` number, since 4 + 643 + 3 + 1 + 0 + 6 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3797024400 + 846286281 = 61620^2 + 29091^2 .

It is not a de Polignac number, because 4643310681 - 2² = 4643310677 is a prime.

It is a super-3 number, since 3×4643310681³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (4643310631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 257961696 + ... + 257961713.

It is an arithmetic number, because the mean of its divisors is an integer number (1117834055).

Almost surely, 2^4643310681 is an apocalyptic number.

It is an amenable number.

4643310681 is a deficient number, since it is larger than the sum of its proper divisors (2063693649).

4643310681 is a wasteful number, since it uses less digits than its factorization.

4643310681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 515923415 (or 515923412 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 4643310681 is about 68141.8423657594. The cubic root of 4643310681 is about 1668.3067783219.

The spelling of 4643310681 in words is "four billion, six hundred forty-three million, three hundred ten thousand, six hundred eighty-one".