2104500899 has 2 divisors, whose sum is σ = 2104500900. Its totient is φ = 2104500898.

The previous prime is 2104500889. The next prime is 2104500947. The reversal of 2104500899 is 9980054012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2104500899 - 2¹⁶ = 2104435363 is a prime.

It is a super-4 number, since 4×2104500899⁴ (a number of 38 digits) contains 4444 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2104500889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052250449 + 1052250450.

It is an arithmetic number, because the mean of its divisors is an integer number (1052250450).

Almost surely, 2^2104500899 is an apocalyptic number.

2104500899 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104500899 is an equidigital number, since it uses as much as digits as its factorization.

2104500899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 2104500899 is about 45874.8394983568. The cubic root of 2104500899 is about 1281.4933942870.

The spelling of 2104500899 in words is "two billion, one hundred four million, five hundred thousand, eight hundred ninety-nine".