4721708449 has 4 divisors (see below), whose sum is σ = 4970219440. Its totient is φ = 4473197460.

The previous prime is 4721708443. The next prime is 4721708507. The reversal of 4721708449 is 9448071274.

4721708449 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4721708449 - 2³ = 4721708441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4721708399 and 4721708408.

It is not an unprimeable number, because it can be changed into a prime (4721708441) 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 3 ways as a sum of consecutive naturals, for example, 124255467 + ... + 124255504.

It is an arithmetic number, because the mean of its divisors is an integer number (1242554860).

Almost surely, 2^4721708449 is an apocalyptic number.

It is an amenable number.

4721708449 is a deficient number, since it is larger than the sum of its proper divisors (248510991).

4721708449 is a wasteful number, since it uses less digits than its factorization.

4721708449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248510990.

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 4721708449 is about 68714.6887426553. The cubic root of 4721708449 is about 1677.6436695158.

The spelling of 4721708449 in words is "four billion, seven hundred twenty-one million, seven hundred eight thousand, four hundred forty-nine".