18858826413 has 12 divisors (see below), whose sum is σ = 31132031008. Its totient is φ = 10776472200.

The previous prime is 18858826403. The next prime is 18858826433. The reversal of 18858826413 is 31462885881.

18858826413 is a `hidden beast` number, since 18 + 8 + 588 + 2 + 6 + 41 + 3 = 666.

It is not a de Polignac number, because 18858826413 - 2⁹ = 18858825901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18858826413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18858826403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149673163 + ... + 149673288.

Almost surely, 2^18858826413 is an apocalyptic number.

It is an amenable number.

18858826413 is a deficient number, since it is larger than the sum of its proper divisors (12273204595).

18858826413 is a wasteful number, since it uses less digits than its factorization.

18858826413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299346464 (or 299346461 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 54.

The spelling of 18858826413 in words is "eighteen billion, eight hundred fifty-eight million, eight hundred twenty-six thousand, four hundred thirteen".