200421626245 has 4 divisors (see below), whose sum is σ = 240505951500. Its totient is φ = 160337300992.

The previous prime is 200421626203. The next prime is 200421626257. The reversal of 200421626245 is 542626124002.

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

It can be written as a sum of positive squares in 2 ways, for example, as 27603496449 + 172818129796 = 166143^2 + 415714^2 .

It is a cyclic number.

It is not a de Polignac number, because 200421626245 - 2¹¹ = 200421624197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200421626245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20042162620 + ... + 20042162629.

It is an arithmetic number, because the mean of its divisors is an integer number (60126487875).

Almost surely, 2^200421626245 is an apocalyptic number.

It is an amenable number.

200421626245 is a deficient number, since it is larger than the sum of its proper divisors (40084325255).

200421626245 is an equidigital number, since it uses as much as digits as its factorization.

200421626245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40084325254.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 200421626245 in words is "two hundred billion, four hundred twenty-one million, six hundred twenty-six thousand, two hundred forty-five".