200013421455 has 12 divisors (see below), whose sum is σ = 346689930600. Its totient is φ = 106673824752.

The previous prime is 200013421393. The next prime is 200013421483. The reversal of 200013421455 is 554124310002.

200013421455 is a `hidden beast` number, since 200 + 0 + 1 + 3 + 4 + 2 + 1 + 455 = 666.

It is not a de Polignac number, because 200013421455 - 2⁷ = 200013421327 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2222371305 + ... + 2222371394.

It is an arithmetic number, because the mean of its divisors is an integer number (28890827550).

Almost surely, 2^200013421455 is an apocalyptic number.

200013421455 is a deficient number, since it is larger than the sum of its proper divisors (146676509145).

200013421455 is a wasteful number, since it uses less digits than its factorization.

200013421455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444742710 (or 4444742707 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 200013421455 its reverse (554124310002), we get a palindrome (754137731457).

The spelling of 200013421455 in words is "two hundred billion, thirteen million, four hundred twenty-one thousand, four hundred fifty-five".