200421341389 has 2 divisors, whose sum is σ = 200421341390. Its totient is φ = 200421341388.

The previous prime is 200421341377. The next prime is 200421341479. The reversal of 200421341389 is 983143124002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137085062500 + 63336278889 = 370250^2 + 251667^2 .

It is a cyclic number.

It is not a de Polignac number, because 200421341389 - 2¹³ = 200421333197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200421341689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100210670694 + 100210670695.

It is an arithmetic number, because the mean of its divisors is an integer number (100210670695).

Almost surely, 2^200421341389 is an apocalyptic number.

It is an amenable number.

200421341389 is a deficient number, since it is larger than the sum of its proper divisors (1).

200421341389 is an equidigital number, since it uses as much as digits as its factorization.

200421341389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41472, while the sum is 37.

The spelling of 200421341389 in words is "two hundred billion, four hundred twenty-one million, three hundred forty-one thousand, three hundred eighty-nine".