2104020501409 has 16 divisors (see below), whose sum is σ = 2207612429568. Its totient is φ = 2002917480192.

The previous prime is 2104020501391. The next prime is 2104020501437. The reversal of 2104020501409 is 9041050204012.

It is not a de Polignac number, because 2104020501409 - 2¹⁷ = 2104020370337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104020501469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4948489 + ... + 5356825.

It is an arithmetic number, because the mean of its divisors is an integer number (137975776848).

Almost surely, 2^{2104020501409} is an apocalyptic number.

It is an amenable number.

2104020501409 is a deficient number, since it is larger than the sum of its proper divisors (103591928159).

2104020501409 is a wasteful number, since it uses less digits than its factorization.

2104020501409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 411384.

The product of its (nonzero) digits is 2880, while the sum is 28.

The spelling of 2104020501409 in words is "two trillion, one hundred four billion, twenty million, five hundred one thousand, four hundred nine".