4104165021 has 32 divisors (see below), whose sum is σ = 6079242240. Its totient is φ = 2441846400.

The previous prime is 4104165019. The next prime is 4104165059. The reversal of 4104165021 is 1205614014.

It is a happy number.

4104165021 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4104165021 - 2¹ = 4104165019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4104164982 and 4104165000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4104165001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2789316 + ... + 2790786.

It is an arithmetic number, because the mean of its divisors is an integer number (189976320).

Almost surely, 2^4104165021 is an apocalyptic number.

It is an amenable number.

4104165021 is a deficient number, since it is larger than the sum of its proper divisors (1975077219).

4104165021 is a wasteful number, since it uses less digits than its factorization.

4104165021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2977.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 4104165021 is about 64063.7574686343. The cubic root of 4104165021 is about 1601.0624481224.

Adding to 4104165021 its reverse (1205614014), we get a palindrome (5309779035).

The spelling of 4104165021 in words is "four billion, one hundred four million, one hundred sixty-five thousand, twenty-one".