259005799899 has 54 divisors (see below), whose sum is σ = 474828860844. Its totient is φ = 134530053840.

The previous prime is 259005799847. The next prime is 259005799901. The reversal of 259005799899 is 998997500952.

It is not a de Polignac number, because 259005799899 - 2¹⁶ = 259005734363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (259005791899) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 35442604 + ... + 35449910.

Almost surely, 2^259005799899 is an apocalyptic number.

259005799899 is a deficient number, since it is larger than the sum of its proper divisors (215823060945).

259005799899 is an frugal number, since it uses more digits than its factorization.

259005799899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14645 (or 7328 counting only the distinct ones).

The product of its (nonzero) digits is 165337200, while the sum is 72.

The spelling of 259005799899 in words is "two hundred fifty-nine billion, five million, seven hundred ninety-nine thousand, eight hundred ninety-nine".