4812835721 has 4 divisors (see below), whose sum is σ = 5022089472. Its totient is φ = 4603581972.

The previous prime is 4812835693. The next prime is 4812835747. The reversal of 4812835721 is 1275382184.

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 a de Polignac number, because none of the positive numbers 2^k-4812835721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4812835751) 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, 104626841 + ... + 104626886.

It is an arithmetic number, because the mean of its divisors is an integer number (1255522368).

Almost surely, 2^4812835721 is an apocalyptic number.

It is an amenable number.

4812835721 is a deficient number, since it is larger than the sum of its proper divisors (209253751).

4812835721 is a wasteful number, since it uses less digits than its factorization.

4812835721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209253750.

The product of its digits is 107520, while the sum is 41.

The square root of 4812835721 is about 69374.6042943670. The cubic root of 4812835721 is about 1688.3676126395.

The spelling of 4812835721 in words is "four billion, eight hundred twelve million, eight hundred thirty-five thousand, seven hundred twenty-one".