205387848413 has 8 divisors (see below), whose sum is σ = 229270156896. Its totient is φ = 182373987600.

The previous prime is 205387848389. The next prime is 205387848437. The reversal of 205387848413 is 314848783502.

It is an interprime number because it is at equal distance from previous prime (205387848389) and next prime (205387848437).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205387848413 - 2⁶ = 205387848349 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205387848713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217111418 + ... + 217112363.

It is an arithmetic number, because the mean of its divisors is an integer number (28658769612).

Almost surely, 2^205387848413 is an apocalyptic number.

It is an amenable number.

205387848413 is a deficient number, since it is larger than the sum of its proper divisors (23882308483).

205387848413 is a wasteful number, since it uses less digits than its factorization.

205387848413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434223835.

The product of its (nonzero) digits is 5160960, while the sum is 53.

The spelling of 205387848413 in words is "two hundred five billion, three hundred eighty-seven million, eight hundred forty-eight thousand, four hundred thirteen".