200451446641 has 4 divisors (see below), whose sum is σ = 211001522800. Its totient is φ = 189901370484.

The previous prime is 200451446627. The next prime is 200451446681. The reversal of 200451446641 is 146644154002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 200451446641 - 2¹³ = 200451438449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200451446641.

It is not an unprimeable number, because it can be changed into a prime (200451446681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5275038051 + ... + 5275038088.

It is an arithmetic number, because the mean of its divisors is an integer number (52750380700).

Almost surely, 2^200451446641 is an apocalyptic number.

It is an amenable number.

200451446641 is a deficient number, since it is larger than the sum of its proper divisors (10550076159).

200451446641 is a wasteful number, since it uses less digits than its factorization.

200451446641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10550076158.

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 200451446641 in words is "two hundred billion, four hundred fifty-one million, four hundred forty-six thousand, six hundred forty-one".