258985259099 has 6 divisors (see below), whose sum is σ = 301268566764. Its totient is φ = 221987364900.

The previous prime is 258985259081. The next prime is 258985259131. The reversal of 258985259099 is 990952589852.

It is a de Polignac number, because none of the positive numbers 2^k-258985259099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258982259099) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2642706677 + ... + 2642706774.

It is an arithmetic number, because the mean of its divisors is an integer number (50211427794).

Almost surely, 2^258985259099 is an apocalyptic number.

258985259099 is a deficient number, since it is larger than the sum of its proper divisors (42283307665).

258985259099 is an equidigital number, since it uses as much as digits as its factorization.

258985259099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5285413465 (or 5285413458 counting only the distinct ones).

The product of its (nonzero) digits is 209952000, while the sum is 71.

The spelling of 258985259099 in words is "two hundred fifty-eight billion, nine hundred eighty-five million, two hundred fifty-nine thousand, ninety-nine".