201546713693 has 4 divisors (see below), whose sum is σ = 217050307068. Its totient is φ = 186043120320.

The previous prime is 201546713689. The next prime is 201546713701. The reversal of 201546713693 is 396317645102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 60608038969 + 140938674724 = 246187^2 + 375418^2 .

It is a cyclic number.

It is not a de Polignac number, because 201546713693 - 2² = 201546713689 is a prime.

It is a super-2 number, since 2×201546713693² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201546013693) 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, 7751796668 + ... + 7751796693.

It is an arithmetic number, because the mean of its divisors is an integer number (54262576767).

Almost surely, 2^201546713693 is an apocalyptic number.

It is an amenable number.

201546713693 is a deficient number, since it is larger than the sum of its proper divisors (15503593375).

201546713693 is a wasteful number, since it uses less digits than its factorization.

201546713693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15503593374.

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 201546713693 in words is "two hundred one billion, five hundred forty-six million, seven hundred thirteen thousand, six hundred ninety-three".