2104006539 has 8 divisors (see below), whose sum is σ = 2805655552. Its totient is φ = 1402514280.

The previous prime is 2104006537. The next prime is 2104006573. The reversal of 2104006539 is 9356004012.

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

It is not a de Polignac number, because 2104006539 - 2¹ = 2104006537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2104006537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3127 + ... + 64944.

It is an arithmetic number, because the mean of its divisors is an integer number (350706944).

Almost surely, 2^2104006539 is an apocalyptic number.

2104006539 is a deficient number, since it is larger than the sum of its proper divisors (701649013).

2104006539 is a wasteful number, since it uses less digits than its factorization.

2104006539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78377.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 2104006539 is about 45869.4510431507. The cubic root of 2104006539 is about 1281.3930429105.

The spelling of 2104006539 in words is "two billion, one hundred four million, six thousand, five hundred thirty-nine".