201686700351 has 4 divisors (see below), whose sum is σ = 268915600472. Its totient is φ = 134457800232.

The previous prime is 201686700349. The next prime is 201686700427. The reversal of 201686700351 is 153007686102.

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

It is not a de Polignac number, because 201686700351 - 2¹ = 201686700349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201686700311) 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, 33614450056 + ... + 33614450061.

It is an arithmetic number, because the mean of its divisors is an integer number (67228900118).

Almost surely, 2^201686700351 is an apocalyptic number.

201686700351 is a deficient number, since it is larger than the sum of its proper divisors (67228900121).

201686700351 is an equidigital number, since it uses as much as digits as its factorization.

201686700351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67228900120.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 201686700351 in words is "two hundred one billion, six hundred eighty-six million, seven hundred thousand, three hundred fifty-one".