200438676905 has 16 divisors (see below), whose sum is σ = 241910205264. Its totient is φ = 159428816640.

The previous prime is 200438676887. The next prime is 200438676923. The reversal of 200438676905 is 509676834002.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (200438676887) and next prime (200438676923).

It can be written as a sum of positive squares in 8 ways, for example, as 117048831376 + 83389845529 = 342124^2 + 288773^2 .

It is not a de Polignac number, because 200438676905 - 2²⁶ = 200371568041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4390979 + ... + 4436391.

It is an arithmetic number, because the mean of its divisors is an integer number (15119387829).

Almost surely, 2^200438676905 is an apocalyptic number.

It is an amenable number.

200438676905 is a deficient number, since it is larger than the sum of its proper divisors (41471528359).

200438676905 is a wasteful number, since it uses less digits than its factorization.

200438676905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50476.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 200438676905 in words is "two hundred billion, four hundred thirty-eight million, six hundred seventy-six thousand, nine hundred five".