2104006538 has 8 divisors (see below), whose sum is σ = 3156238020. Its totient is φ = 1051927200.

The previous prime is 2104006537. The next prime is 2104006573. The reversal of 2104006538 is 8356004012.

It can be written as a sum of positive squares in 2 ways, for example, as 1848742009 + 255264529 = 42997^2 + 15977^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2104006538.

It is not an unprimeable number, because it can be changed into a prime (2104006537) 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 3 ways as a sum of consecutive naturals, for example, 7388 + ... + 65288.

Almost surely, 2^2104006538 is an apocalyptic number.

2104006538 is a deficient number, since it is larger than the sum of its proper divisors (1052231482).

2104006538 is a wasteful number, since it uses less digits than its factorization.

2104006538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76072.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2104006538 is about 45869.4510322502. The cubic root of 2104006538 is about 1281.3930427074.

The spelling of 2104006538 in words is "two billion, one hundred four million, six thousand, five hundred thirty-eight".