4842147621 has 16 divisors (see below), whose sum is σ = 6838642944. Its totient is φ = 3037023744.

The previous prime is 4842147619. The next prime is 4842147623. The reversal of 4842147621 is 1267412484.

It is an interprime number because it is at equal distance from previous prime (4842147619) and next prime (4842147623).

It is not a de Polignac number, because 4842147621 - 2¹ = 4842147619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4842147621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4842147623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123961 + ... + 158273.

It is an arithmetic number, because the mean of its divisors is an integer number (427415184).

Almost surely, 2^4842147621 is an apocalyptic number.

It is an amenable number.

4842147621 is a deficient number, since it is larger than the sum of its proper divisors (1996495323).

4842147621 is a wasteful number, since it uses less digits than its factorization.

4842147621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37100.

The product of its digits is 86016, while the sum is 39.

The square root of 4842147621 is about 69585.5417525796. The cubic root of 4842147621 is about 1691.7882662777.

The spelling of 4842147621 in words is "four billion, eight hundred forty-two million, one hundred forty-seven thousand, six hundred twenty-one".