258294719911 has 4 divisors (see below), whose sum is σ = 258766922872. Its totient is φ = 257822516952.

The previous prime is 258294719857. The next prime is 258294719929. The reversal of 258294719911 is 119917492852.

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 258294719911 - 2⁹ = 258294719399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258294719951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236100660 + ... + 236101753.

It is an arithmetic number, because the mean of its divisors is an integer number (64691730718).

Almost surely, 2^258294719911 is an apocalyptic number.

258294719911 is a deficient number, since it is larger than the sum of its proper divisors (472202961).

258294719911 is an equidigital number, since it uses as much as digits as its factorization.

258294719911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472202960.

The product of its digits is 3265920, while the sum is 58.

The spelling of 258294719911 in words is "two hundred fifty-eight billion, two hundred ninety-four million, seven hundred nineteen thousand, nine hundred eleven".