4852623821 has 4 divisors (see below), whose sum is σ = 4854585372. Its totient is φ = 4850662272.

The previous prime is 4852623817. The next prime is 4852623823. The reversal of 4852623821 is 1283262584.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1678540900 + 3174082921 = 40970^2 + 56339^2 .

It is a cyclic number.

It is not a de Polignac number, because 4852623821 - 2² = 4852623817 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4852623823) 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, 977060 + ... + 982013.

It is an arithmetic number, because the mean of its divisors is an integer number (1213646343).

Almost surely, 2^4852623821 is an apocalyptic number.

It is an amenable number.

4852623821 is a deficient number, since it is larger than the sum of its proper divisors (1961551).

4852623821 is a wasteful number, since it uses less digits than its factorization.

4852623821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1961550.

The product of its digits is 184320, while the sum is 41.

The square root of 4852623821 is about 69660.7767757438. The cubic root of 4852623821 is about 1693.0074736140.

The spelling of 4852623821 in words is "four billion, eight hundred fifty-two million, six hundred twenty-three thousand, eight hundred twenty-one".