201689013 has 8 divisors (see below), whose sum is σ = 268996000. Its totient is φ = 134420688.

The previous prime is 201688979. The next prime is 201689017. The reversal of 201689013 is 310986102.

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

It is not a de Polignac number, because 201689013 - 2⁸ = 201688757 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 (201689017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6258 + ... + 21036.

It is an arithmetic number, because the mean of its divisors is an integer number (33624500).

Almost surely, 2^201689013 is an apocalyptic number.

It is an amenable number.

201689013 is a deficient number, since it is larger than the sum of its proper divisors (67306987).

201689013 is a wasteful number, since it uses less digits than its factorization.

201689013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19331.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 201689013 is about 14201.7257049980. The cubic root of 201689013 is about 586.4451697343.

The spelling of 201689013 in words is "two hundred one million, six hundred eighty-nine thousand, thirteen".