4628605721 has 8 divisors (see below), whose sum is σ = 4831881984. Its totient is φ = 4425498880.

The previous prime is 4628605711. The next prime is 4628605741. The reversal of 4628605721 is 1275068264.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4628605721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4628605711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15161 + ... + 97401.

It is an arithmetic number, because the mean of its divisors is an integer number (603985248).

Almost surely, 2^4628605721 is an apocalyptic number.

It is an amenable number.

4628605721 is a deficient number, since it is larger than the sum of its proper divisors (203276263).

4628605721 is a wasteful number, since it uses less digits than its factorization.

4628605721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84711.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 4628605721 is about 68033.8571668548. The cubic root of 4628605721 is about 1666.5437885719.

The spelling of 4628605721 in words is "four billion, six hundred twenty-eight million, six hundred five thousand, seven hundred twenty-one".