201044443393 has 8 divisors (see below), whose sum is σ = 214424389512. Its totient is φ = 187837142016.

The previous prime is 201044443387. The next prime is 201044443429. The reversal of 201044443393 is 393344440102.

It can be written as a sum of positive squares in 4 ways, for example, as 14513743729 + 186530699664 = 120473^2 + 431892^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 201044443393 - 2²⁵ = 201010888961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201044443333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43158780 + ... + 43163437.

It is an arithmetic number, because the mean of its divisors is an integer number (26803048689).

Almost surely, 2^201044443393 is an apocalyptic number.

It is an amenable number.

201044443393 is a deficient number, since it is larger than the sum of its proper divisors (13379946119).

201044443393 is a wasteful number, since it uses less digits than its factorization.

201044443393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86322371.

The product of its (nonzero) digits is 124416, while the sum is 37.

Adding to 201044443393 its reverse (393344440102), we get a palindrome (594388883495).

The spelling of 201044443393 in words is "two hundred one billion, forty-four million, four hundred forty-three thousand, three hundred ninety-three".