4852929721 has 4 divisors (see below), whose sum is σ = 4853069092. Its totient is φ = 4852790352.

The previous prime is 4852929671. The next prime is 4852929749. The reversal of 4852929721 is 1279292584.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4144784400 + 708145321 = 64380^2 + 26611^2 .

It is a cyclic number.

It is not a de Polignac number, because 4852929721 - 2²³ = 4844541113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4852929761) 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, 32215 + ... + 103651.

It is an arithmetic number, because the mean of its divisors is an integer number (1213267273).

Almost surely, 2^4852929721 is an apocalyptic number.

It is an amenable number.

4852929721 is a deficient number, since it is larger than the sum of its proper divisors (139371).

4852929721 is an equidigital number, since it uses as much as digits as its factorization.

4852929721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139370.

The product of its digits is 725760, while the sum is 49.

The square root of 4852929721 is about 69662.9723813160. The cubic root of 4852929721 is about 1693.0430475031.

The spelling of 4852929721 in words is "four billion, eight hundred fifty-two million, nine hundred twenty-nine thousand, seven hundred twenty-one".