4104013021 has 4 divisors (see below), whose sum is σ = 4106521692. Its totient is φ = 4101504352.

The previous prime is 4104013003. The next prime is 4104013049. The reversal of 4104013021 is 1203104014.

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 187005625 + 3917007396 = 13675^2 + 62586^2 .

It is a cyclic number.

It is not a de Polignac number, because 4104013021 - 2⁷ = 4104012893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4104012986 and 4104013004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4104013051) 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, 1251880 + ... + 1255153.

It is an arithmetic number, because the mean of its divisors is an integer number (1026630423).

Almost surely, 2^4104013021 is an apocalyptic number.

It is an amenable number.

4104013021 is a deficient number, since it is larger than the sum of its proper divisors (2508671).

4104013021 is a wasteful number, since it uses less digits than its factorization.

4104013021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2508670.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 4104013021 is about 64062.5711394727. The cubic root of 4104013021 is about 1601.0426824701.

Adding to 4104013021 its reverse (1203104014), we get a palindrome (5307117035).

The spelling of 4104013021 in words is "four billion, one hundred four million, thirteen thousand, twenty-one".