201044344009 has 4 divisors (see below), whose sum is σ = 203875954560. Its totient is φ = 198212733460.

The previous prime is 201044343971. The next prime is 201044344049. The reversal of 201044344009 is 900443440102.

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 201044344009 - 2⁹ = 201044343497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201044344049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1415805169 + ... + 1415805310.

It is an arithmetic number, because the mean of its divisors is an integer number (50968988640).

Almost surely, 2^201044344009 is an apocalyptic number.

It is an amenable number.

201044344009 is a deficient number, since it is larger than the sum of its proper divisors (2831610551).

201044344009 is an equidigital number, since it uses as much as digits as its factorization.

201044344009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831610550.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 201044344009 in words is "two hundred one billion, forty-four million, three hundred forty-four thousand, nine".