4241121621 has 8 divisors (see below), whose sum is σ = 6168904224. Its totient is φ = 2570376720.

The previous prime is 4241121607. The next prime is 4241121623. The reversal of 4241121621 is 1261211424.

4241121621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4241121621 - 2¹¹ = 4241119573 is a prime.

It is a super-2 number, since 2×4241121621² = 35974225208227335282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4241121591 and 4241121600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4241121623) 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 7 ways as a sum of consecutive naturals, for example, 64259386 + ... + 64259451.

It is an arithmetic number, because the mean of its divisors is an integer number (771113028).

Almost surely, 2^4241121621 is an apocalyptic number.

It is an amenable number.

4241121621 is a deficient number, since it is larger than the sum of its proper divisors (1927782603).

4241121621 is a wasteful number, since it uses less digits than its factorization.

4241121621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128518851.

The product of its digits is 768, while the sum is 24.

The square root of 4241121621 is about 65123.8943936863. The cubic root of 4241121621 is about 1618.6771730607.

The spelling of 4241121621 in words is "four billion, two hundred forty-one million, one hundred twenty-one thousand, six hundred twenty-one".