258904061899 has 4 divisors (see below), whose sum is σ = 295890356464. Its totient is φ = 221917767336.

The previous prime is 258904061881. The next prime is 258904062007. The reversal of 258904061899 is 998160409852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 258904061899 - 2⁷ = 258904061771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258904061869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18493147272 + ... + 18493147285.

It is an arithmetic number, because the mean of its divisors is an integer number (73972589116).

Almost surely, 2^258904061899 is an apocalyptic number.

258904061899 is a deficient number, since it is larger than the sum of its proper divisors (36986294565).

258904061899 is an equidigital number, since it uses as much as digits as its factorization.

258904061899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36986294564.

The product of its (nonzero) digits is 11197440, while the sum is 61.

The spelling of 258904061899 in words is "two hundred fifty-eight billion, nine hundred four million, sixty-one thousand, eight hundred ninety-nine".