201043402297 has 8 divisors (see below), whose sum is σ = 205954970760. Its totient is φ = 196132218240.

The previous prime is 201043402181. The next prime is 201043402327. The reversal of 201043402297 is 792204340102.

It can be written as a sum of positive squares in 4 ways, for example, as 6898299136 + 194145103161 = 83056^2 + 440619^2 .

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

It is a de Polignac number, because none of the positive numbers 2^k-201043402297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201043406297) 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, 1161079 + ... + 1322947.

It is an arithmetic number, because the mean of its divisors is an integer number (25744371345).

Almost surely, 2^201043402297 is an apocalyptic number.

It is an amenable number.

201043402297 is a deficient number, since it is larger than the sum of its proper divisors (4911568463).

201043402297 is a wasteful number, since it uses less digits than its factorization.

201043402297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192203.

The product of its (nonzero) digits is 24192, while the sum is 34.

Adding to 201043402297 its reverse (792204340102), we get a palindrome (993247742399).

The spelling of 201043402297 in words is "two hundred one billion, forty-three million, four hundred two thousand, two hundred ninety-seven".