4604161021 has 4 divisors (see below), whose sum is σ = 4622504544. Its totient is φ = 4585817500.

The previous prime is 4604161019. The next prime is 4604161033. The reversal of 4604161021 is 1201614064.

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 not a de Polignac number, because 4604161021 - 2¹ = 4604161019 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 (4604161061) 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, 9171385 + ... + 9171886.

It is an arithmetic number, because the mean of its divisors is an integer number (1155626136).

Almost surely, 2^4604161021 is an apocalyptic number.

It is an amenable number.

4604161021 is a deficient number, since it is larger than the sum of its proper divisors (18343523).

4604161021 is a wasteful number, since it uses less digits than its factorization.

4604161021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18343522.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 4604161021 is about 67853.9683511584. The cubic root of 4604161021 is about 1663.6048121037.

Adding to 4604161021 its reverse (1201614064), we get a palindrome (5805775085).

The spelling of 4604161021 in words is "four billion, six hundred four million, one hundred sixty-one thousand, twenty-one".