200421341479 has 2 divisors, whose sum is σ = 200421341480. Its totient is φ = 200421341478.

The previous prime is 200421341389. The next prime is 200421341507. The reversal of 200421341479 is 974143124002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200421341479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200421351479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100210670739 + 100210670740.

It is an arithmetic number, because the mean of its divisors is an integer number (100210670740).

Almost surely, 2^200421341479 is an apocalyptic number.

200421341479 is a deficient number, since it is larger than the sum of its proper divisors (1).

200421341479 is an equidigital number, since it uses as much as digits as its factorization.

200421341479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 37.

The spelling of 200421341479 in words is "two hundred billion, four hundred twenty-one million, three hundred forty-one thousand, four hundred seventy-nine".