4680385021 has 4 divisors (see below), whose sum is σ = 5040414652. Its totient is φ = 4320355392.

The previous prime is 4680385013. The next prime is 4680385027. The reversal of 4680385021 is 1205830864.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2219728996 + 2460656025 = 47114^2 + 49605^2 .

It is a cyclic number.

It is not a de Polignac number, because 4680385021 - 2³ = 4680385013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4680385027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180014796 + ... + 180014821.

It is an arithmetic number, because the mean of its divisors is an integer number (1260103663).

Almost surely, 2^4680385021 is an apocalyptic number.

It is an amenable number.

4680385021 is a deficient number, since it is larger than the sum of its proper divisors (360029631).

4680385021 is a wasteful number, since it uses less digits than its factorization.

4680385021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360029630.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 4680385021 is about 68413.3394960369. The cubic root of 4680385021 is about 1672.7351906231.

The spelling of 4680385021 in words is "four billion, six hundred eighty million, three hundred eighty-five thousand, twenty-one".