4869935721 has 12 divisors (see below), whose sum is σ = 8039259072. Its totient is φ = 2782820376.

The previous prime is 4869935701. The next prime is 4869935747. The reversal of 4869935721 is 1275399684.

4869935721 is a `hidden beast` number, since 4 + 8 + 69 + 9 + 3 + 572 + 1 = 666.

It is not a de Polignac number, because 4869935721 - 2⁵ = 4869935689 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4869935701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38650221 + ... + 38650346.

It is an arithmetic number, because the mean of its divisors is an integer number (669938256).

Almost surely, 2^4869935721 is an apocalyptic number.

It is an amenable number.

4869935721 is a deficient number, since it is larger than the sum of its proper divisors (3169323351).

4869935721 is a wasteful number, since it uses less digits than its factorization.

4869935721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77300580 (or 77300577 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 54.

The square root of 4869935721 is about 69784.9247402331. The cubic root of 4869935721 is about 1695.0183713779.

The spelling of 4869935721 in words is "four billion, eight hundred sixty-nine million, nine hundred thirty-five thousand, seven hundred twenty-one".